Mitsuki is a schoolgirl who never wore makeup before. She is touched by her teacher's kindness and wants him to notice her, so she starts studying makeup. Little by little, her days change thanks to makeup. The girl who became cute thanks to makeup confesses her feelings to her teacher and they have forbidden sex at school. A Cinderella story of a girl in love who changes from a plain girl with no makeup to one who changes thanks to makeup.