Gin Shimochiai is an expert babysitter, who's willing to make every child in the world happy. But actually, he's a man disguising as a woman. Inspired by his nanny in childhood and the story of Mary Poppins, he build Poppins Shimochiai Club, a babysitter agent. With his "poppins magic," he can solve every family problem and bring happiness to the children. (Source: MU)