A company-owning angel who saves the world from human extinction is pushed around by a selfish young lady...? In a world where the population balance has been upset by God's mistake, Sato Ten, an angel agent who transfers people from the future to the present time, is discovered to be an angel by Katorea, a young lady who is the target of the transfers and who is always afraid that she is not the best in everything. Rare gives an order to Ten, who is in a hurry to violate a taboo in the heavenly realm...? A master-servant fantasy comedy between a company-owning angel and a selfish young lady is born! (google translated)