An incubus is assigned to have sex with a man and take his soul. When trying to he discovers that he has erectile dysfunction due to overworking and not being healthy . He then tries to be a housewife so the human will be healthy and finally have sex with him . Along the way the incubus falls for the human . To where when he finally gets it up he leaves his soul untampered and drops out just to be with his human .
Inma-kun wa Oshigoto Dekinai