Dragged by the ritual for the revival of the evil god of a different world, an ordinary senior high school student Furutera Isshi, meets 1000 Homunculus girls that were created for the sake of sacrifice. Hearing about the horrible treatment of them being just tools for the humans, he decided to found a nation for Homunculus, where he promised to give them a peaceful life.

Summoned with gift and the innate magical ability endowed to the girls, half-united with the Evil God due to the botched ritual, Isshi stop being a human. While flirting, the story of the strongest nation founder on a different world will begin here!