In Katsugari Junior High, Ady, a rebellious teen, shares a house with three unique girls—strict council president Akari, flirty childhood friend Rika, and shy underclassman Yui. Amid school chaos, martial arts rivalries, and clashing emotions, they navigate fights, friendships, and blooming feelings. When former friend Kai returns, old rivalries and new love triangles ignite under one chaotic roof