When Sheng Wang unexpectedly becomes Jiang Tian's stepbrother and classmate, both of their lives are suddenly thrown into disarray.

As Sheng Wang and Jiang Tian awkwardly start living under the same roof, an unexpected encounter at school leaves them both flustered.

Sheng Wang's attitude towards his stepmom drives a rift between him and Jiang Tian, but an impulsive night out brings them closer.

From home to school, Sheng Wang and Jiang Tian learn to cherish each other's support and company. Meanwhile, tender feelings begin to emerge.

After discovering that someone beat up his bullies, Sheng Wang is caught off guard by Jiang Tian's abrupt decision to move away.

A parent–teacher meeting becomes a burden for Sheng Wang and Jiang Tian. Later, teachers summon them both to face their bullies.

Sheng Wang learns more about Jiang Tian's childhood during a lunch break. Worried about Sheng Wang's absence, Jiang Tian skips class to track him down.

Sheng Wang's wish to move out of the house takes his family by surprise. Now officially roommates, he and Jiang Tian brace for a new chapter together.

Sheng Wang and Jiang Tian deliver impressive performances during their school's field day — until an unexpected injury lands one of them in trouble.