While he visits his grandfather in the hospital, Azuma fears he will be alone in the world and meets Yusuki, a girl whose grandmother is in the same hospital; and meanwhile, Sachie meets her estranged grandfather, who is the head of a yakuza gang.
Rakuto, one of the most popular guys at school and a member of a yakuza gang, seems headed for the college of his choice until incidents from his past begin to surface.
Working with Haruna and spending more time with her has caused Macharu's best friend Atsu to fall for her, and now jealous Macharu and persistent Atsu can only wait to see who Haruna will choose.
Haruna Aiawa struggles to fit in at her new school, but her family problems make her feel isolated from the other students, until Macharu tries to bring Haruna out of her shell.
During the school sports festival, Yoh begins to think that his friend Haruna has feelings for Asaoka, who he is dating and trying to teach about love, and does not know how to react.
Haruna bears the responsibility of taking care of Yoh when his parents leave town, and it occurs to her that she might take advantage of the opportunity so that the two of them can be alone.