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.

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.