Depicts the daily life of schoolmates Hinami, Shiori, and Hikaru from their perspectives. Shiori uses her body to seduce a boy she likes. However, that boy was actually fond of the teacher's obedient sex slave, Hikaru. Hinami, who Shiori liked, is driven by jealousy to have sex with a classmate. This is a real-time drama where each person's feelings are intertwined.
