He thought he was going to return to his original world as an ordinary working adult, but instead he found himself back in the world... more>> as a 17-year-old high school student. He was going to enjoy the 90's with ease, but when he learned of the existence of the “human-eating variant” through his childhood friend Yui, Kazu throws himself into battle in this world as well, using his otherworldly cheats as a weapon. <<less