JUY-148 While his wife was pregnant, the husband secretly had an affair with his sister-in-law.

JUY-148 The husband had a secret affair with his sister-in-law while his wife was pregnant. Coincidentally, while his wife was asleep, he went outside and passed by his sister-in-law’s room, discovering her masturbating.
The next day, he was also in his room watching porn and masturbating when his sister-in-law saw them both masturbating, separated only by a door. When she was caught, she felt embarrassed, but he kept thrusting his penis in front of her, making her unable to resist. They then secretly had sex from that day on.