Akaza Yukiko attends a high school for the blind. She lives with her father Seiji who works as a cameraman and her sister Izumi who works as a manicurist. Yukiko is barely able to see color and light. Late to school one day, she hurries out with her white cane. That day, she encounters men in her way. Yukiko asks the men to move away from the braille blocks but when the other party grabs her white cane, she reacts reflexively and accidentally hits the man in the crotch. That man turns out to be Kurokawa Morio, a Yankee that's famous in the area. After that day, Morio begins ambushing Yukiko on her route to school for some reason. Yukiko is confused by why and her classmates at school tell her it was "love at first sight". When the two who have lived completely different lives meet, an unimaginable love story begins.

Yukiko is on her way to meet her friend, Sora, to see a movie when she meets Morio on the usual street. Morio is happy to see her but Yukiko suddenly gets a call from Sora saying she's too sick to meet her for the movie. Yukiko considers going home but Morio convinces her to go with him instead. Although she's initially reluctant, she and Morio go to the movie theater together. Due to being unable to read the menu, she's a little reluctant to go to the concession stand but Morio helps her out without realizing it. Meanwhile, Hanao and Sosuke go to Akane's coffee shop after Morio tells them he's going to a movie with Yukiko via text. Akane's niece, Hachiko, acts nonchalantly and leaves upon finding out. On the way back from Yukiko's zombie film, the duo meets up with Hachiko. Swayed by Hachiko's heartless words, Yukiko blows up on Morio. Additionally, Izumi confronts him due to her worries about her sister. A high wall stands in front of Yukiko and Morio...

Yukiko and Morio encounter Izumi. Izumi is worried about the unemployed and delinquent Morio being around Yukiko and the two sisters have a slightly soured relationship afterwards. After confiding in Morio that it's difficult to hear him as someone who relies on sounds and is quite a bit shorter than him. As a result, Morio looks for a way to even out their height difference and goes to Yukiko's house to deliver it. Meanwhile, Shishiou appears at Akane's coffee shop. The tension is high but Morio resolves himself to working properly. On the other hand, the worried Izumi and Yukiko who feels life has changed since meeting Morio collide...

After being kissed suddenly by Hachiko, Morio worries that Yukiko might have seen it and spends his time in a daze. Meanwhile, Yukiko, inspirted by Morio, has begun to search for a part time job. She gets a job at the same cafe she always went to but the assistant manager has a hard time wrapping her head around Yukiko's disability. While Morio is depressed because he can't see her as much, he supports Yukiko who plans to confess her feelings for him. Hachiko confesses to Morio. Though he always treated her as a sister and considers her an important person to him, he's troubled by it. On her first day of work, Yukiko runs into problems...

Yukiko has decided to confess to Morio and calls him to a meeting. However, the nervous Yukiko is accosted by Hachiko who tries to take away her white cane. That night, Yukiko gives Morio the french fries she made and confesses her feelings for him. Taken aback but pleased, Morio accepts and the two begin taking their first steps towards a new type of relationship. The two go on their first date. However, a quarrel happens to Morio's secret.

Morio accompanies Yukiko's marathon training for the upcoming marathon held at her school for the blind. Morio is excited to hold the bond rope for Yukiko but Yukiko hates exercise and tries to skip out. Morio learns about this side of Yukiko and finds himself loving her more and more and wants to kiss her. On the other hand, Izumi has begun going to the same gym as her crush Shishiou. She looks for a chance to invite him out to eat but it's a difficult time. Meanwhile, Yukiko and Morio go to the park where the find Sora. Sora crashes into an abandoned bike and falls causing Morio and Yukiko to rush to her aid. Sora tries to act tough, but Yukiko can tell she's afraid and is worried about her friend's behavior. The next day, Morio discovers that someone has been deliberately setting obstacles in Sora's running path. Yukiko is grateful for Morio's help but Sora lashes out...

Yukiko and Morio are now a couple with their relationship going well. Yukiko is about to attend a job fair at a school for the blind the following week and is concerned about her future plans following graduation. Yukiko is torn between her dreams and reality when she suddenly hears that the person in charge is named Hiyama. Yukiko plans to invite Morio and Shishiou to her house to celebrate Izumi's birthday while her father is on a business trip. While Hanao and the others are excited, a nervous Morio has a disturbing dream that night. The day of the birthda party, Morio heads to the Akaza home to prepare for the party where Yukiko is waiting. With just the two of them together, Morio is in a good mood. However, Seiji's business trip is suddenly postponed and he returns home suddenly. The Akaza family is hit by an unexpected situation where boyfriend and father meet...

Yukiko's first love, Hiyama, shows up at the school for the blind. Morio is jealous of Hiyama who treats Yukiko in an extremely friendly manner. Hiyama is a handsome man with a passion for helping the disabled and wins women over one after the other. On the other hand, Morio tries not to worry about Hiyama following advice from Yukiko. Yukiko and Sora are worried about their future and heads to Akane's to talk to Hiyama more resulting in Morio and Hiyama meeting again. Meanwhile, Yukiko and Sora are asked to help at the Christmas market by Akane. They are reluctant due to their worry that they'll cause trouble but Hiyama encourages them. Morio, ignited by the sight of Hiyama, enlists Hanao and the others to help as well.

One year has passed since Yukiko and Morio parted ways. Yukiko graduates from school and begins working as an office worker at a food related company. Meanwhile, Morio, now unemployed again, has returned to his hometown from Kagoshima. One day, two people in the group unexpectedly decide to get married and Yukiko and Morio meet for the first time in a long time. However, when Morio finds out that Yukiko didn't break up with him for Hiyama, he feels he can't face her now that he's unemployed and asks his friends to pretend he's not there. Morio decides to watch over Yukiko the next day. He doesn't want her to know he's there but Store Manager Ciao reveals him and he ends up face to face with Yukiko. Reunited for the first time in a year, the yankee boy and the white cane girl has an unexpected ending...