He lost his memories, he has no idea who he is or where he came from, all he has is a metal plate with a spiralling leaf on the front with his name and date of birth on the back, well, he may as well settle in his new life as a 9 tailed fox-boy with super strength, while secretly working as a host at a club and not let anyone find out. Up For Adoption.

In a world similar to our own but where humanity took on a different evolutionary path a mysterious gate appeared and unleashed hell on this world's equivalent to Ginza, Japan. After the holocaust, the government passes a resolution, requiring eligible youths to be drafted into JSDF, in preparation to send them off to face the legendary perfect humans that plan to enslave them.