High schooler Daisuke harbors feelings for his fellow student, Hiromi. During a journey for a school excursion, the bus carrying Daisuke is involved in an accident. Upon regaining consciousness, Daisuke discovers he is in Hell. He wonders, “Why am I the only one here? I’m too young to die, and I’ve never even had my first kiss.” At this moment, Killer K appears before the bewildered Daisuke. Killer K is the leader of the rock band Heruzu from Hell Agricultural High School. To return to the world of the living and confess his love to Hiromi, Daisuke embarks on a series of trials in Hell, guided by Killer K’s unique training.