It's been a year since my son Jun was absent from school ... Unlike his optimistic husband, his mother, Yui, was trying to capture Jun's feelings. And recently, he notices that Jun is interested in Yui's body. When I heard the story, the reason for not attending school was that people around me made me foolish about being a virgin. Yui, who was strangely frustrated, becomes conscious of her son Ji Po somewhere in her heart and begins to gently teach her son who begs to graduate from virginity. Show off every corner of your beautiful body to your son, how to kiss, how to feel your boobs, and how to insert ... Gentle and loving sex education given by a beautiful mother.