On her first date with her boyfriend Hasegawa, Misono, a sophomore in high school, meets Ryuiko, a beautiful young woman with good looks. Hasegawa takes her to a fashion show, where Ryuiko is on stage as a model. She is a friend of her brother's, a lesbian who is dating Susan, another woman. Misono becomes interested in Ryuiko, and Ryuiko is also attracted to Misono's purity...