AQSH-121 Tennis school cheating wife: Sexual service apology from manager who saw cheating wife and coach, Nene Shinomiya

When her husband is transferred away from home, she starts attending tennis school to ease her feelings of loneliness. She hits it off with the coach she meets there and the two enter into a romantic relationship. They end up meeting every day so often that the manager sees them together. Feeling guilty, Nene desperately tries to explain, but the manager, overcome with curiosity, witnesses their affair. However, Nene is found out to have been spying on her, and he has a hold on her. She takes advantage of this opportunity and shows her shrewdness by treating the manager, who has become her obedient friend with benefits.