The story takes place in a high school, this is clearly a typical hentai manhwa when girls in miniskirts make new discoveries about their gender. Rai and Yoko too, they like each other but still shy to say. Incidentally, during a discussion about gender they are performed together and when Yoko’s beautiful boobs are pressed against Rai’s back, he discovers a woman’s taste. They discover each other’s body and the wonderful taste of Rai’s lips for the first time.