STARS-529 Momo Aoki, a female teacher of the swimming club who can't get married to her fiancé (colleague) because it feels so good to be ejaculated with Naka by a student who intentionally tries to stay with her until she repeats a year.

Aoki, a high school teacher and adviser to the swimming club, is gradually forgiven by a fierce attack from his student, Yuki, who quit his job due to an injury. Aoki has a fiancé named Kagawa, who is a colleague, but he has not been able to resolve his relationship with Yuki. Every time Yuki's semen was spit out, unknown pleasures attacked her, and her beautifully trained body gradually separated from her fiancée ...