Satoshi is in love with Maki, the mother of his best friend Ryo. One day, he gathers the courage to confess his feelings to her, but she doesn't take him seriously. Worse, Ryo finds out and exposes Satoshi, turning him into a laughingstock. Humiliated and deeply wounded, Satoshi's affection for Maki turns into hatred. Fueled by rage and a thirst for revenge, he begins plotting his counterattack.