Gouda Magoi is a middle school student with overwhelming physical strength. Taking advantage of this, he turns to violence to make money. He then meets and is confronted by Ono Komomo, a kind-hearted girl from the same school, and Magoi’s life begins to change…

圧倒的な腕力を持つ中学生、合田真鯉。彼はその力を暴力に変え、金を稼いでいた。そんな中、同じ学校の心優しき少女・小野こももと出会い、対立することで、真鯉の人生は変化し始めて…。