Never tell your husband that you got pregnant after being fucked by your father-in-law. (JUQ-788)

The pressure from her aunt's desire for a grandson is troubling Mahiro's wife. One day, the family goes on a hot spring trip, but a month prior, her aunt had ordered her to abstain from sex. On the day of the trip, her husband refuses to have sex, and her aunt also refuses to have sex with her father-in-law. Unable to release their sexual desires, the two go to the hot springs to calm themselves down. However, her father-in-law, who happens to witness Mahiro bathing, cannot suppress his desires…