[ENGLISH-SUBTITLE] SPRD-1042 Mother-in-law, much better than my wife … Yu Kawakami

A couple who returned to their wife's parents' house. Yuu, a mother-in-law who brought shampoo to her son-in-law who was taking a bath that night, decided to shed her son-in-law's back. Yuu realized something in his son-in-law's crotch