Onda Maki is being bullied in class, but she doesn't know who is bullying her. She spends every night typing her classmates' names into the Hotline to Hell engine, but always erases it. Her science teacher Kamishiro tries to help her, but Onda always refuses.Eventually, she finds out that Kamishiro is the one who has been bullying her and sends her to Hell. Onda has a new friend, and as they are working after school on a project, Onda discovers that her friend had been helping Kamishiro bully her.

Yayoi's sister, Sumire is missing. She is constantly hearing the sound of bubbles from underwater. She after a while begins to realize her sister is dead. But because she doesn't know the identity of the killer, she can't get onto the website to get her sister's revenge. She blames herself for Sumire's death because Sumire vanished on a day Yayoi didn't walk with her. Yayoi falls into a fountain and has a vision of what happened to her sister. Sumire was kidnapped, raped, killed, and dumped in a lake, which explains the bubbles. Yayoi knows the identity of the killer and sends him to Hell for Sumire.

A girl named Tae-pon is obsessively protective of her neighbor, Kei-chan. She refuses to admit her love for Kei-chan because she thinks their relationship would change and then they would drift apart. She knows his girlfriend is a two-timer, but refuses to tell him because she's "protecting" him. Kei-chan enters her room through her window, admits he knows his girlfriend is cheating on him, and then sleeps with Tae-pon when she comforts him. She becomes afraid that their relationship is now in danger of changing and refuses to open her window when Kei says he loves her. She opens her window to see if he's still there, causing him to lose his balance and fall to his death. The next day, Tae-pon sends his ex-girlfriend to Hell for causing Kei-chan to be distraught enough to alter his relationship with Tae-pon and for calling him pathetic. Tae-pon moves to a new area and her new window neighbor looks almost exactly like Kei-chan...

Yagisawa's wife, Chinami, is in the hospital, fighting an illness. He'll do anything for money to help her. He enters the site to get revenge on Hhouki, the man who tricked him into killing a man for money. Hhouki wanders into the hospital and tells Chinami that her husband killed a man, causing her to go into a coma due to her distress. He eventually send Hhouki hell (for refusing to help his wife and blackmailing him). When he returns to the hospital to tell his wife that everything is okay, she no longer remembers him. Kikuri is seen wandering around the hospital and having a strange effect on Chinami. In this episode, she leaves the mortal world with Ai and officially becomes part of the group.

Yamada Leon, is constantly bullying Oi-chan. So Oi-chan sought a contract with Ai but he changed his mind after learning about the consequences. Leon falls in love with a high school girl named Miyahara Izumi. He plans to confess his love for her and leave the gang he is in. However, Leon's gang leader refuses to let him leave the gang. After Leon overhears Oi-chan talking about the Hell Girl, he made Oi-chan show him the Hotline to Hell. Leon's gang leader tries to kidnap Izumi to stop Leon from confessing to her. However, as he kidnaps Izumi, Leon sends him to hell. After continuing to bully Oi-chan, Leon steals his wallet and plans to finally confess to Izumi once again. While he's speeding down the street, he crashes and goes almost immediately to Hell.

Hosono Souta is a boy who always sits in the infirmary. Because of this, his classmates make fun of him. He falls in love with a classmate, Nitta Kiwako, because she was the only one who did not make fun of him. He dislikes her current boyfriend. Hosono attempts to access the Hotline to Hell, but Ai rejects him. While Hosono is stalking Kiwako at a bowling alley, he overhears her boyfriend suggesting to his friend, Sawazaki, that he will "lend" Kiwako to him so that Sawazaki can finally lose his virginity. Ai appears to Hosono that night, but while he begs her to save Kiwako, he refuses to sell his soul in exchange for revenge. Kiwako later tells Hosono that she accessed the Hotline to Hell and has sent her horrible boyfriend to Hell. Hosono is shocked that she would agree to go to Hell for that and turns down Ai's help once and for all. At the end of the episode it is shown that Hosono purchases a blade, and plans to kill Sawazaki.

Ougi Emi’s family has changed ever since her brother, Ougi Tatsuya, died in a motorcycle accident. Her mother is ignoring the family to get the city to take the blame for her son's death. Tatsuya was everything for his mother and Emi tries to help her mother get over it, but her mother continues to be unconcerned for the well-being of her daughter. Emi learns that her brother had one of Ai's dolls but hadn't used it yet, now it belongs to Emi. One day her family becomes dysfunctional and she sends her mother to hell. After that, she realizes that she's better off without her mother.

Baba Shouko is a teacher everyone dislikes because she frequently scolds students and is very strict. A fake Hotline to Hell was created by somebody and it is circulated among students who were just scolded by Baba sensei. Tracing was carried out and they concluded that a student named Ikami Waka created and circulated the fake Hotline to Hell. However, Ikami claims that she did not do it. On the same night, another teacher named Kuriyama Mami calls Ikami and tells her that it was Baba who made the fake Hotline to Hell, blames her for it and told Ikami to come to school. Mami-sensei waits in school for Ikami to come and tried to convince Ikami to access the real Hotline to Hell to send Baba to hell. To her surprise, the one who turned up is Ai. Mami and Ai already knew each other from their pasts. The truth is Mami was the one who created the fake Hotline to Hell and blamed the students for it. It was all because Baba scolded Mami when she was young and she blames Baba for all her problems. Baba comes and types in Mami's name into the real Hotline to Hell, as a punishment for an attempt to use her students as sacrifices. Baba agrees to go to hell as she blamed herself for coaching a teacher like Mami.

Suzaki Maho hates her brother, Suzaki Miki, for chasing away her boyfriends. Maho believes that because he is a model, he feels that he is prettier than she is. The pair has no parents thus they only have each other. Maho discovers that Miki dresses up as a woman and steals her boyfriends away. He later confesses his love to his Maho. When Maho can no longer take the pressure, she ends up sending him to Hell.

Hone Onna meets a director named Negoro Tetsuro. He wants Hone Onna to be the protagonist (Sone Anna) in his film. He is obsessed about writing screen plays. He has a wife and two lovers but seems uninterested in all of them. Eventually Tetsuro’s wife, one of his lovers (Kumiko-chan) and Hone Onna become good friends. Then they decided to go to the hot springs. But being clumsy and foolish, Tetsuro bumps into a stranger’s car and a few hours later, spills coffee on him. That man, named Gyouta Hauhiroku, sends Tetsuro to hell. In the end, Hone Onna erases herself from Kumiko and Tetsuro's wife's memories. This episode depicts the flash-backs of Hone Onna.

Amagi Shizuko adopts a stray cat and names it Muru. She just moved in and has not introduced herself to her neighbors yet. Whenever she tries to no one is at home. Ren often comes to visit her. A few days after adopting the cat, she begins to receive mysterious prank calls. Items that she did not order were delivered to her house. She also receives threatening letters, warning her to throw out the cat. Amagi does not know what to do as she does not have enough money to move out yet. She hires a private investigation agency and they discovers that it is her neighbor named Tachibana Kyouko making prank calls and sending threats. She sends a letter to Tachibana apologising about the cat and told her that she will move out with the cat as soon as possible. That being done, she hears bangs and crashes from next door. The next day, she gets home and discovers that her apartment door is wide open and Muru is gone. She frantically attempts to search for the cat and found a plastic bag filled with meat outside. Thinking that it is Muru, she pulls the string on Ai's doll to send Tachibana to hell. Later in the episode, it is revealed that the cat belonged to Tachibana and she was upset that Amagi adopted the cat. Amagi hears distant cat meows and discovers Muru thus the bag of meat was nothing but another prank.

A new road needs to be built to stop the traffic accidents in the area but it is blocked by a house. The house is occupied by an old man who refuses to move. The brother of one of the victims of the road wants vengeance and picks up Wannyudou as he wanted to hitch a ride. They discuss about the incident. The brother then makes Wannyoudou get out of the vehicle and plans to kill the houseowner himself. After Wannyoudou gets out and the brother drives away, Ai and Wannyoudou show up in the truck. Just before he can pull the string, Ren's eye appears and says that his request was cancelled. The houseowner just passed away. He did not believe it and speeds up down the road to try to kill the old man. He nearly got into the same accident as his brother. They enter the house and see Sone with Kikuri and the dead houseowner. Sone hands the brother the houseowner's will. The old man had left the plot of land to the family of the guy who got into the fatal accident. During this episode, Wannyoudou's past is explained.

Mysterious deaths have been happening all over a town. Men with no apparent connections to one another have been found dead, stabbed with a bamboo skewer, with their hands in the "peace" symbol. Eventually, the owner of a restaurant is discovered by Ichimoku Ren to be the culprit. His wife and son were killed and his daughter put into a coma when a drunk driver crashed into their house. As the news crews filmed the report of the incident, drunken men danced in the background with their hands in the "peace" sign. The owner had only recently decided to kill them, as he learned he has terminal lung cancer and will most likely not live to see his daughter live. Too weak to kill the last one, who has seen his face and filed a police report, he uses the Hotline to Hell. Ai reveals that the penalty of sending someone to Hell does not cover other sin, such as murder. The man is willingly taken to the hospital by the police, however in a twist, Kikuri has awakened his daughter. The price he must pay for the murders is that he will spend the rest of his life in jail, unable to be with his daughter and because of this, he breaks down.

A washed up writer decides to take revenge on a producer friend of his who became famous. During his attempted revenge the producer's wife is killed and their son is framed. The son contacts Hell Girl but decides not to go through with it. Shortly after this the producer is killed by the writer, but before the writer can kill the son a woman whose child he killed sends him to hell. This show is significant because it introduces character Takuma Kurebayashi, whom Ai empathizes with.

A young woman and her father have devoted themselves to the cause of a political candidate running for office. While they complain about how the current government is making everyone poorer and Japan worse, the mother works herself sick running their factory. While the daughter goes to see her and misses an important rally, her drunken, angry father causes a scene. Insisting it was her fault, the local campaign manager and her father hire two men to attack her in an alley the current government said they would improve, but failed to. While she's being attacked, Wanyuudo saves her. Returning to the headquarters, she discovers her father went along with the plan. She runs home to send him to Hell, but it turns out her mother (who'd been putting up with years of abuse) already has a contract on him and finally pulls the string on her doll.

A girl named Ran tries to send a man who betrayed her to hell, but meest a geisha woman who said she'll help her get revenge. Ran disguised herself and seduced the man. The woman steals all the man's money and he finally commited suicide. Ran eventually finds out that the woman has been using her and is attacked. She managed to send the woman to Hell before she finally dies (after being attacked by that woman).

A girl named Nene, contacted the Hell Girl to send her mother to Hell, because she thinks her mother, Honami, kills her father; although the truth is, Honami sends her husband to Hell because he was abusing them (Honami and Nene) eleven years ago. Honami then finds out that Nene is trying to send her to hell, but then kills herself so that Nene doesn't need to go to Hell too. Also where Ren's past is revealed showing that he was once a sword.

A girl comes home from work one day to find her mother, who went away when she was still young, has returned. Not only that, but her father wants her to have to pamper her mother every day, causing problems for the girl. She uses the Hell Hotline to get try to get rid of her mother, and tries to do so eventually, but finds that she cannot, because her father used the Hell Hotline and therefore got the straw doll she had. She rushes over to where her father is taking her mother for a walk, but finds her father has already sent her mother to Hell. He father tells her the truth: she is not the daughter of the woman she thought was her mother. After discovering his wife was infertile, her father had a her with another woman. This caused his wife to get angry, and eventually she got involved in a car accident to try and kill herself. The girl then remembers that her mother did accept her once, but knows it is too late.

The story of how Wannyuudo came to join up with Ai while modern day humans who run a hot springs run into the same trouble their ancestors deal with the same problem 400 years earlier.

A girl named Mari is in an abusive relationship with her former friend (who happens to be identical to her), Juri. Juri contacted The Hotline to Hell because she and Mari had a close relationship that was ruined in her eyes when Mari briefly considered having an upperclassman as her tennis double instead of Juri. Juri has been forcing Mari to do exactly what she says, otherwise she'll pull the string. Ichimoku Ren becomes involved when trying to get more background on Mari and figuring out why Juri hasn't pulled the string yet. Juri gives Mari an album of pictures of them together. After going to get Juri's lunch, Mari runs into Ren and hugs him when he comforts her. Juri, having followed Mari in order to tell her she's decided to forgive her, is angry that Mari could be close to anyone else and runs off to pull the string. Mari tells her they'll always be together, but at that moment Juri is hit by a car and fatally injured. Mari pulls the string on the doll so that they'll be together in Hell and, shortly after she's taken, Juri arrives in Hell. Somehow, Mari has taken the album with her.

A young woman is trying to get her ex-boyfriend to get back together with her for the sake of her and the child she's carrying. She has the straw doll in case he refuses, but she is obsessively pursuing a reunion. Her story is intersected with Hone Onna's story. Originally, Hone Onna was a young woman named Tsuyu who was sold into prostitution to cover the debts of her lover. Tsuyu used to make paper ball balloons to sell. After a few years, Tsuyu is joined by a younger prostitute named Kion. Kion feels inferior to Tsuyu and ultimately betrays her, resulting in the violent death that transforms Tsuyu into Hone Onna. Back in the present day, the young lady sends her ex to hell, then attempts to jump off a bridge. Hone Onna realizes the spirit of Kion, who was wounded by her lover after she revealed her pregnancy and then jumped off a bridge, has been possessing women and forcing them to kill themselves by jumping off bridges. Kion tells Hone Onna it was nice to see her again, then vanishes, still on her path of vengeance. Hone Onna asked Ai to please pick Kion up someday, as Ai saved her from an eternity of sorrow and anger.

After the recent tragedies that have occurred in his family, Takuma is suspected of having murdered his mother and gravely wounded his father, but has not been arrested due to the lack of evidence. The townspeople continue to suspect him, and call him the "devil's child". As Takuma tries to piece his life back together, he meets a young girl, Seri, who happened to live near him before her house was torn down to make way for a train station that never materialized. Having been emotionally attached to the house, she intends to have her revenge against at least one of the persons who had ordered her house's destruction in the first place.

Mr. Kimiko insults Mr. Narito's singing during a community choir practice. Mr. Narito becomes so enraged by this petty insult that he sends Mr. Kimiko to Hell, and blames Takuma for Mr. Kimiko's disappearance. To keep up the ruse, Mr. Narito sets up a vigil outside Takuma's house with other neighbours.

People are disappearing one after the other in the town of Lovely Hills - Mr. Mariyama is sent to Hell by his daughter who hates him for scolding her. A woman named Akiko sends her husband to Hell because she regrets marrying him. Then Akiko's friend sends her to Hell, because she's always hated Akiko, and so forth. All of the disappearances are blamed on Takuma. While the disappearances are happening, Detective Meshiai goes to the library and finds the book written by Shibata Hajime about Hell Girl.

Mr. Tsuyuki and Mr. and Mrs. Hasue, among others, have formed a mob. Mr. Tsuyuki convinces the others that they must kill Takuma. Hotaru looks for her brother, who is nowhere to be found, but she finds the book about Hell Girl, and runs away with Takuma.

After the death of her brother, a grief-stricken Hotaru sends Takuma to Hell, promising to follow him so he won't be alone. She insists to Ai that everything will stop when Takuma dies. Ai begins to ferry Takuma to Hell, but stops when he asks her to take him back. They both return to the mortal world, with Ai reverting to her human self. She has no memory of her time as Hell Girl and doesn't remember her assistants at all. Kikuri reveals herself to be a host body for the Lord of Hell, who is punishing Ai for failing to perform her duty. Ai is now mortal. Takuma finds Hotaru's body washed up on the shore of a lake, tells Ai he no longer has any patience, and runs to his house to burn it down. He is confronted by the mob as he does so and is almost killed until Ai intervines, calming the mob and leading Takuma away from the burning house. The man who send Hotaru's brother to Hell snaps and begins beating Ai over the head so he won't go to Hell. The rest of the mob joins in. Ai's assistants are unable to prevent her death, but see Ai smiling calmly at them. Takuma tells the mob to stop hurting Ai and she dies holding his hand saying "It's over." Her body turns into sakura petals and floats away. The Lord of Hell releases the souls of her parents (presumably to Heaven). A narration reveals that Takuma's pursuers have fled Lovely Hills and that the town itself has become dilapidated. All charges against Takuma have been dropped, Takuma's father is shown to have woken up, and his friend, Hotaru Meshiai, is miraculously alive and in the hospital. At the end of the episode, a young girl is seen receiving a text message from Hell Girl (which is probably Kikuri) saying that her request has been accepted.

Since Ai's death, her companions have gone their separate ways. But Kikuri announces her return, and they gather as faculty and staff at a school.

Yuzuki is troubled by the experience involving Ai, Tange, and Itsuko's recent transfer to a new school. Akira Kitayama, a middle schooler, goes to see a shopkeeper, Mitsuko, with whom he is in love. Akira later sees her husband Seiji beating Mitsuko and wrongly accusing her of seducing Akira. Yuzuki sees visions of Akira accessing the Hell Correspondence website. Akira tries to persuade Mitsuko to leave her husband, but when an angry Seiji attacks both of them, Akira sends him to Hell to save Mitsuko. The next morning however, Akira finds Mitsuko's shop abandoned, as Mitsuko has left, leaving Akira to ponder the consequence of his decision.

Yuzuki and her best friend Akie rescue an idol, Jun Moriyama, from a stalker, and meet a woman, Masako Momota, who asks them to pass an envelope to Jun, containing photos of Jun in provocative outfits of the time before she debuted. Masako had attended the same talent agency as Jun but Jun bullied Masako until she could take no more and left, sacrificing her dream of becoming a singer. Ai's companions wonder if Ai is possessing Yuzuki because she doesn't have a body of her own in the real world. In the present, Masako makes Jun apologize, and demands that Jun vouch for her to debut. Jun refuses, stating that Masako cannot sing. At her concert, Jun attempts to make a public apology to Masako for her bullying, but an enraged Masako sends Jun to Hell.

Yukawa is constantly bullied by his classmates until one day, he is saved by a stranger named Nishida Shin who knows Kendo. Nishida begins teaching him Kendo, causing him to become more active, outgoing, happy, and cool. He is also no longer bullied. However, one day aboard a bus, a deranged man begins threatening another man for staring at him, cutting the other man's hair off and dragging him off the bus. Yukawa's image of his hero is shattered when Nishida fails to intervene, supposedly afraid of putting Yukawa in harm's way. He sends Nishida to Hell. Feeling the world cannot change even if he himself changes, Yukawa quits Kendo and reverts to his former timid self.

Yuzuki accidentally bumps into first-year student, Katase Ririka, causing her to break a beaker. The two of them report the damage to teacher Mio Niiyama, who lets the two off without punishment. The next day, Ririka's grandmother shows up at school and accuses Mio of picking on Ririka and continues to verbally attack her over the phone that night. The situation intensifies as Ririka's grandmother hands out leaflets that defame Mio and says she will keep Ririka home until Mio resigns. Mio tries to get Ririka to clear her name, but Ririka deliberately slanders Mio to her grandmother, meaning Ririka was the cause of her grandmother's drastic actions. Saddened, Mio sends Ririka to Hell.

Yuuna Serizawa, a third-year student, holds a grudge against Ren, and tries sending him to Hell, but her request is obviously rejected by Ai. Serizawa is infatuated with Hone Onna and sees Ren as a rival. Hone Onna corrects her misunderstanding, offering a band-aid for her injured knee. Yuuna flaunts the same band-aid on her neck, showing off to her classmate, Kira Moroboshi, who bears a similar obsessive affection for Hone Onna. At school, when Moroboshi finds her shoes thrown into a dirty bucket, Serizawa blatantly lies that she did it under Hone Onna's instructions. Enraged, Moroboshi sends Serizawa to Hell. Later, she ironically announces that she is no longer after Hone Onna, but Wanyūdō.

A new boy named Inuo Atsushi has transferred to Yuzuki's school. He claims that he moved from Tokyo because his mom is ill, but in truth, his dad left his mother and, ashamed, the two left Tokyo. Due to the stress of lying and taking care of his ungrateful mother, Inuo frequently visits the Hell Correspondence website, never typing in a name. However, after he reveals the secret to his classmate Washizu and is beaten by his mother for doing so, he types in Washizu's name. Out of good faith, Washizu spreads news about Inuo's real situation and tries to motivate him to seek help. However, for continually meddling with his family business, Inuo sends Washizu to Hell. Afterward, he becomes insane.

Yuzuki returns a lost dog named Momo to her owner Mioi Hatsumi. Hatsumi's older neighbor Shintani shows off her new expensive bracelet but is insulted once she notices the same bracelet is worn by Momo as a collar. Shintani tries to get the apartment management to evict Momo. When this fails, she poisons the dog. Finding out that Shintani poisoned Momo, Hatsumi accesses the Hell website and confronts Shintani on the roof, unable to understand her hatred. Hatsumi ends up nearly falling off the roof. Trying to save herself, she accidentally pulls the string of her straw doll, sending Shintani to Hell, before falling. However, she survives.

Inao Kaede, a quiet student, claims to be a fortune-teller through a fox spirit she claims resides within her. As she makes a streak of strangely correct predictions (later revealed to be just lucky coincidences), more students begin to give her requests. A shallow student, Nishino, requests that Inao kill a college student she claims is stalking her. Inao reluctantly accepts but no matter what she tries, the 'stalker' lives. Threatened to be exposed as a fake, she resorts to sending him to Hell, only to find out that Nishino lied to her and she'd damned the guy and herself for no reason. Nishino just wanted him dead because she found him gross. The guy had been innocent.

A boy named Ichimura Kazuya is a marathon runner. He has a part-time job as a paperboy to support his mother, who loves to buy expensive kimonos. His parents constantly argue, with his father never giving his mother any attention, so his mother uses the money she believes her husband secretly gives her (it is actually Kazuya's money) to buy kimonos to hopefully catch his father's eye. Kazuya thinks that it is the salesman Saito's fault that his family is in this state, as Saito flatters his mother excessively so she can buy more kimonos from him. He sends Saito to Hell, only to find another salesperson replacing him and pampering his mother with flattery.

Kamisaka Rokurou is a novelist whose mystery book has received publicity because of real copycat murders resembling its plot, committed by a student. Kamisaka is interviewed by a reporter, Asaba Sumi, but the editor-in-chief changes her manuscript to lies so the magazine will sell more. Asaba apologizes to Kamisaka. The first victim's older sister, Michio Yui, Kamisaka and Asaba meet and decide to each send one person to Hell so they can get rid of three people at once. Michio chooses the murderer Chouchi, Asaba chooses her editor, and Kamisaka chooses his friend. Afterward, Kamisaka is unexpectedly sent to Hell by the murderer's mother, who blames him for her son's crimes.

Nomura Nobuo works part-time at a food stand beside the pool. Every time someone agitates him, he draws them and puts their face up on the model on his calendar chart. The person who reaches the top of the model first will be sent to hell. In the meantime, his manga debuts in a monthly manga book, so he decides not to send anyone to hell since he is in a good mood. It is only when he sees his crush Sasayama Kokoro trying to commit suicide because her boyfriend Ryuu, cheated on her that he decides to send Ryuu to hell. However, Nobuo is sent to hell by Kokoro, who believes that he will spread rumors about what she told him.

A woman named Azusa Mayama is angry that investigator Norihisa, the father of Yuzuki's best friend Akie, halted investigation on her father's accident because it involved the son of a prestigious family. At the lantern festival, Yuzuki sees her reflection at the gate to Hell but Tsugumi Shibata, now a grown woman, warns her that she may not return if she crosses. Yuzuki realizes Akie is in trouble and contacts Norihisa. To get revenge, Azusa sends a man in to rape Akie but Norihisa arrives in time. Ai separates from Yuzuki, receiving back her real body as a festival gift. Yuzuki believes that she is finally free of Hell Girl, but Akie later disappears right in front of her when Azusa sends Akie to Hell. Yuzuki's eyes flicker red as she screams.

Convenience store worker Tsuzuki helps student Kashiwagi Hidemi after she misses the last train home. Someone posts a picture of them together online, sparking rumors about Kashiwagi's character. Kashiwagi wants to send the person who uploaded the picture to Hell, but Yuzuki tries to persuade her not to. Tsuzuki is arrested for assault and Kashiwagi believes it will worsen her reputation if everyone sees his arrest in the papers. Tsuzuki breaks out of jail and Kashiwagi tells him to stop, but he doesn't recognize her right away. Saddened, she sends him to Hell. Yuzuki later sees a completely changed Kashiwagi, with dyed hair, excessive makeup and tattoos. She becomes overwhelmed as she now senses many people around her about to contact Hell Girl.

Shinohara Usagi is a schoolgirl who is always being helped because she is too slow at everything. One day, her classmate Endo asks her to date him. However, Endo is forced to cheat on her by her jealous older brother Michito, and he leaves her, ashamed. Usagi reveals she has accessed the Hell Correspondence, intending to send her brother to hell. Shocked, he reveals that he has done the same. The two have a heartfelt talk about their sufferings. It is implied that Usagi is actually in love with her brother. They drop their straw dolls into the river. However, Usagi realizes Michito will never return her romantic affections so when he leaves, she retrieves the doll from the river and sends her brother to hell.

Yuzuki senses a man about to pull the string on one of Ai's straw dolls. As she rushes to stop him, Ai tells her that her attempts are futile. She shows Yuzuki the man's future. Instead of socializing with coworkers after work, Naowa has always instead played with a young girl named Kaya because he likes children. He has sent his fellow worker, Nakajima, to hell because of Nakajima's disturbing behavior and inappropriate interest toward Kaya. Nakajima's girlfriend, Yuki, joins their company to investigate. She forms a romantic relationship with Naowa, keeping silent about who she is. One night, Naowa finally reveals he is unworthy of her because he sent Nakajima to Hell. Yuki then reveals her true identity and sends Naowa to hell. Despite seeing this future, Yuzuki still has hope.

Upon receiving a request from an elderly woman, Yamawaro begs to be the straw doll. Yuzuki goes to the mansion, asking to speak to the elderly woman but a much younger woman answers the door, leaving Yuzuki confused. Yamawaro explains that in the past, he witnessed the young couple lose their child, Hikaru. After many years, he appeared before the now elderly wife, and the wife believed her son had returned. However the husband, knowing Yamawaro is not human, used him for his experiments to achieve eternal life. When the man feeds the resulting potion to his wife, she regains her youth. However, the wife discovers Yamawaro is being used unethically, and urges him to flee. Now, unable to forgive her husband, she sends him to Hell and commits suicide by exploding the mansion.

Yuzuki listens to a popular late-night radio show. Most of the letters read on the show are from a frequent sender called "Chi-chan." Chi-chan, whose real name is Chiriko, has fallen in love with the DJ host Joutarou and his sweet-talk. She becomes friends with Kaname, another well-known mail sender on the show. Wanting to thank Joutarou, the two go down to the radio station and meet Yume, the scriptwriter. Kaname says that she wants to be a radio writer too and Yume lets her have a script of the broadcast, shocking Chi-chan and making her realize that Joutarou's sweet words were all scripted, crushing her fantasy him. Hating Kaname for crushing this fantasy, she sends her to Hell. Afterward, she returns to her fantasy, refusing to accept that Joutarou's words are scripted.

Kaori Nakiri is the next heiress to the Nakiri school of flower arrangement but despises this predetermined future. Yuzuki recognizes Ai's companions working at the funeral despite being her school's staff. As Yuzuki can see through her companions' magic disguise, Ai realizes Yuzuki will 'awaken' soon. Yukina, the result of the father's affair with another woman, demands that Kaori give her the Nakiri school. Tsukio, Kaori's childhood friend and love, discovers Yukina planning to poison Kaori so as to inherit the land, and drinks the poison in her place. Kaori learns of this and discovers family secrets, including that Tsukio is her brother. Broken, she accepts her role as the family head and sends Yukina to hell. Ai reveals to Yuzuki that she is fated to become the next Hell Girl.

An old man named Mizuragi Shōgo types Tsugumi's name into the Hell Correspondence. Each sensing the request, Yuzuki, Ai, and Tsugumi go to his mansion. Shogo explains that he gained interest in Hell after his mother used Ai's services to send his father to Hell. After years of research, he yearned to meet Ai and so had an artificial grudge against Tsugumi planted in his mind through hypnosis in order to feel enough hatred to meet her. The others all protest, as Tsugumi has done no wrong, but luckily, just before Shogo can pull the string to send her to Hell, he is instead sent to Hell by his assistant due to how Shogo took in many orphaned children only to treat them cruelly and try to send them to Hell for his research.

Yuzuki believes she can escape her fate of becoming the next Hell Girl as Tsugumi had. She meets a young boy named Kaito, who is being abused by his stepmother Nanami. Nanami used to treat Kaito with love; however, ever since she became pregnant with a girl she names Mao, Nanami begins to fawn over her and unreasonably punish Kaito. Kaito only desires to return to those earlier days of happiness when Nanami was much kinder. Yuzuki is shocked to realize that Kaito's father is aware of the domestic violence against his son, but refuses to acknowledge it. Believing his son is in the way of their family's happiness, he almost kills Kaito; however, he comes to his senses when Kaito sends Mao to Hell, and Nanami also returns to her old, kind self.

Yuzuki asks Tsugumi for advice on avoiding her fate, but Tsugumi does nothing, believing only Yuzuki can save herself. Sumika is the reserved twin of the famous model and actress Yuika. Yuika is quite cruel to Sumika. Only a birthmark on Sumika's side distinguishes the two. After Yuika injures her arm, she orders Sumika to take her place in a photo shoot. Sumika thrives in the role and enters a relationship with her sister's boyfriend Masato. Yuika's arm heals and the sisters argue over who should continue the role of celebrity. Masato breaks up with one of the sisters (unspecified who), and she sends her twin to Hell. At an event, the place where Sumika's birthmark should be is hidden by her arm, leaving the true identity of the doomed sibling vague, though it could be Yuika.

Fumio Mizuhara is bullied by Tomohide Matsuda because Fumio is from a rich family while Tomohide is poor. Tomohide overhears that Fumio is going to the high school that Tomohide wanted to attend. He feels unfortunate, as he has to enter work instead of attending high school to support his mother and sister. The mark of Hell is seen on Tomohide's chest and it is suggested that he sent his abusive father to Hell. When Tomohide physically assaults Fumio, Fumio sends him to Hell out of desperation. Ai appears to Yuzuki, who senses people about to send someone to Hell again. Yuzuki wants Ai to leave her alone but when Ai reveals her hidden desire to send Ai to Hell, Yuzuki flees, unable to face the possibility that she too has been consumed by hatred.

Yuzuki realizes that suddenly, nobody in her school or town knows who she is. Only Tsugumi still recognizes her. Tsugumi reveals that she was never fated to become Hell Girl like Yuzuki had thought. She has given up hope of stopping the cycle of hatred like her father, Hajime. She tells Yuzuki she must accept that this system exists, and concludes that Yuzuki is not a person of this world after realizing that up until now, her life had been an illusion. Yuzuki refuses to believe this and flees. She finds her apartment in a decayed state, with a corpse of a girl on the floor. Ai Enma and her companions appear, revealing that she had actually died a long time ago.

Ai shows Yuzuki her childhood. As a little girl, Yuzuki lived happily with her parents, until her father, a bus driver, died in a bus crash due to faulty brakes. The town accused the Mikage family of murder. Yuzuki's mother fell ill and the doctor refused to see her due to the stigmatization. With her mother close to death and Yuzuki starving, her mother planned to kill her so Yuzuki wouldn't suffer. However, she died in her sleep, and Yuzuki buried her mother, her eyes turning red. She died embracing the teddy bear her father gave her. The older Yuzuki now realises the corpse is hers. Angry that the world abandoned her, she accepts her fate as Hell Girl. Akie returns as Yuzuki's aid. A request with Azusa's name comes in - Yuzuki's first summoning as Hell Girl.

Akie's father Takasugi wants to send Azusa to Hell because she sent his daughter Akie to Hell. Yuzuki pushes him to do so but Takasugi backs out.

Mayama Shizuka is relentlessly bullied by her classmates in her class' group chat.

Haru & Nanako are a comedy duo. In public, Nanako is the leader and Haru the goofball, but in reality, Haru is the dominant leader while Nanako her naive follower. As they become successful, Haru begins to get annoyed at Nanako's dependence and physically strikes her at one point.

The Nagatas are a dysfunctional family of disturbed individuals. Both parents are neglectful and selfish, while the oldest daughter Asuka is a bully. Only the two younger children, a boy Akira and a girl Arina, are decent.

Sakura Kubota lives in a nursing home that seems idyllic on the surface; however, the caretakers are abusive to the residents.

The mysterious young girl finally remembers her name: Michiru. At a funeral for three young boys, Satoshi Kazama and his family try to attend but are screamed at to leave.

Michiru refuses her fate to be Hell Girl, and tries to disappear. However, her spirit goes to where she first met Yamawaro, and Ai's companions are waiting there. Accusing Ai of bringing her there, she is informed that it was actually the Lord of Hell who arranged everything.

High school baseball player Daisuke Iwashita's friend and teammate Shinichi Muroi is being bullied by their team's ace pitcher, Mamoru Hanagasa. After Shinichi dies from injuries inflicted by Mamoru, Daisuke gets blamed for this incident, and although he tries to deny it, no one believes him.

The Yasuda Family moves into a company-owned neighborhood. Keiko, the mother, becomes fearful of how the branch manager's wife has control over the neighborhood. Even their daughter, Haruka, gets bullied by Yuria and their classmates. Then, one early afternoon, after one phone call and a violent persistent visitor, Keiko tries to commit suicide.

Akane Sawai, a depressed high school girl, stays at home and only interacts with her friend whom she met online. Her concerned teacher, Yoshiki Fukasawa, constantly visits her to try to convince her to return to school. Akane gets irritated by this and decides to send him to Hell.

A new road needs to be built to stop the traffic accidents in the area but is blocked by a house, occupied by an old man who refuses to move. A high school student dies at the road, and a truck driver named Michirou decides to send the old man to Hell.

Akira is a junior high school student who has a crush on Mitsuko. She is a middle-aged woman who works at an electronic appliance store. He is not comfortable with the way Mitsuko is treated by her husband, Seiji. Akira tries to persuade her to leave him.

A low-profile girl named Kaede Inao claims to be a fortune-teller, telling fortunes by contacting Gon, using a spirit board. As she begins to build her reputation with a continuous streak of correct predictions, more people begin to ask her to perform various tasks.