In modern j.a.pan, ordinary high school student, Kizaki Souma, was suddenly summoned to a different world. In that world, the humans oppressed and conquered the demi-humans. Souma, in order to save the beast people who helped him, will fight the Humans’ leader using his knowledge of manga and games.This is the story of the boy who was the worst of vandals and would be feared enough to be called the “Son of Destruction” in the future generations.