My wife decided to go home for childbirth. Tomoya was about to go out to pachinko, which is usually prohibited, to fully enjoy his first time living alone in a long time. Then, her daughter-in-law's older sister, Mao, came to help her with her housework. She was grateful for cleaning up the messy living room, but for some reason, Tomoya shows off her panties and nipple slips. The lower half of the body reacts involuntarily to the dense sex appeal that drifts from the cord.
