Hino Miharu, a dull man who has been working part-time at the convenience store Pawson Nerima Kitaguchi for three years, suddenly kidnapped by a man wearing a black Santa suit, saying, "It's a job offer! I'll be counting on you from today". When he wake up, there is a mysterious company in the North Pole, Santa Claus House. Miharu starts working as a black Santa who distributes presents to children around the world with his colleague with a strong personality, but this company has a secret.