Never tell your husband that you got pregnant after being fucked by your father-in-law. (Akari Tsumugi JUQ-564)

Tsumugi, pressured by her aunt to give birth to a grandson as soon as possible, is pressured by her aunt to abstain from sex for a month in preparation for having a child. On the day of the trip, her husband refuses to have sex with her. Meanwhile, her adoptive father also wants to be intimate with his wife, but is also refused. Unable to control their desires, they go to the hot springs to relax. Then, the adoptive father accidentally sees Tsumugi bathing...