Pure Love, Bring It On! (1970)

Sinopsis

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…