Fists fly when Oya High’s street fighters defend themselves from a three-school alliance of brawlers.
In the spring of a new semester, a "ranking" is sent to Class 2-D. It clearly shows the rankings of all the students and the homeroom teacher. The one who ranks 1st is Himeyama Tsubaki, a kind and popular honor student recognized by everyone. But one day, without any warning, she commits suicide. A few days later, everyone in the class receives a suicide note from Himeyama, and from that day on, the class begins to fall apart.
Madoka Kamei, the top delinquent at Kōō High, is stuck in a rut—failing school, and out of the game when it comes to both love and fights. That changes when his rival, Mitsuru Satō from Shiraiwa High, suddenly appears—not to brawl, but to announce he’s moving into the apartment above Madoka’s grandma’s candy shop. The unexpected closeness between the two stirs up chaos. Madoka tries to bridge the gap with his usual big-brother charm, but Mitsuru’s true intentions remain a mystery…