Deadpool makes his explosive debut into Weekly Shounen JUMP!

Class representative Marui, an ordinary high school boy, finds Hachiyo face-down by a river bed. Even though Hachiyo was regarded as the school’s strongest delinquent, Marui secretly has a crush on her. However, when Hachiyo wakes up, she suddenly can’t remember anything about herself?

A few years ago, while on a journey to defeat The Demon King, the hero disappeared, leaving only his holy sword behind. And so, a new hero arises...