Rintaro Shido, a high school student who aspires to be a full-time housewife, is in a class with Rei Otosaki, the center of the popular idol group "Millefeuille Stars. The two have never been involved, but one day Rei is about to fall ill from hunger, and Rintaro decides to serve her a home-cooked meal... ( I'll pay you 300,000 a month. Can I come and eat every day? ) Thus began their exchange - a life of semi-living together. Rintaro is unable to grasp the distance between himself and Rei, who comes to his room where he lives alone. Rei shows him a defenseless figure that he does not show in the classroom or on stage...? This is the start of a romantic comedy about a beautiful girl who is a classmate and a very popular idol, and who must be itching and thrilled to live together with her!