Urabe Yukito was the son of the founder of a shady sect, but when he dies in a crazy ritual, he is reborn in another world where the concept of gods and religion does not exist. This should be an ideal world for him, but then...!?

By using Mitama's powers to summon combines, plumbing, and electricity, Yukito catapults the isolation camp's technology into the future. Just as planned, they gain many followers, but then a mysterious girl assassin from the imperial capital appears...