One night and two days of 1 night and left alone by my wife's sister who suddenly came over

While his wife was on a trip, Goro struggled with unfamiliar housework. My wife's sister, Rie, came to help with the housework. Goro, who couldn't even clean up, is happy to welcome Rie in, but things go wrong. Not only does it get closer than necessary, but the feeling of her big breasts being pushed against her makes her rationality melt. Goro, who can only flinch at Rie's aggressiveness, runs away to the bathroom, but he can't escape from Rie's evil hand...