バドミントン部顧問教師の遥香は同僚の石田と不倫関係にあった。相手に家庭があると知らずに付き合い始めたとはいえ、知っても尚ずるずると関係は続いてしまい…遥香は都合の良い女になっていた。この‘誰にも知られてはいけない二人の関係’をある時、生徒の吉井が目撃。大好きな遥香が不倫をしていると知った吉井は、それをネタに遥香に肉体関係を強要するのだった。
Haruka, a teacher in charge of the badminton club, was having an affair with her colleague Ishida. Although they started dating without knowing that Ishida had a family, the relationship continued even after they found out…Haruka became a convenient woman. One day, a student, Yoshii, witnessed this ‘relationship that should not be known to anyone’. When Yoshii found out that his beloved Haruka was having an affair, he used it as an excuse to force Haruka into a physical relationship.

– JavGG.net