Classmates Hinami, Shiori, and Hikaru. The daily school life is depicted from the perspective of these three girls. Shiori uses her body to seduce the Hikaru she likes. However, the boy likes Hikaru, who is an obedient sex slave to the teacher. Hinami, who likes Shiori, is jealous and has sex with a classmate. A real-time drama where each of their feelings intertwine.