Kenjirô Yamashita

Bakery employee Ichii Fumi holds a peculiar outlook on marriage: "I doubt anyone would love me forever, and I'm doubtful I can love someone forever." One day, Fumi meets the focus of her very first crush, Yuasa Tamotsu. Over time, the distance between Fumi, who broke up with her boyfriend for being unable to reach a decision about marriage, and Tamotsu, who still pines for the wife he divorced, begins to grow closer.

Seiichi is the owner of a flower shop. He enjoys his peaceful single life. Kiho runs the ramen restaurant left to her by her father, but she's thinking of closing it.

Interior designer Mako is unable to forget her first love from childhood, who helped her when she was bullied back in elementary school days. One day, a letter arrives from someone named Kosuke—the same name as the boy Mako can't forget. It says, "Do you remember me? Please contact me, because I want to see you after all this time." It's been 22 years since she last saw her friend, but Mako is excited to see him again. But the "Kosuke" who shows up to meet her is far from the man she imagined.

L'histoire raconte ce qui s'est passé au lycée Oya après le combat du film HiGH&LOW. Fujio et Tsukasa sont de nouveaux élèves, mais après que le grand-père de Fujio tombe malade, ce dernier doit déménager dans un autre lycée situer à la campagne, où vit son grand-père, pour s'occuper de lui. Pendant ce temps, à Oya, les nouveaux étudiants essaieront de prendre le contrôle.