Since her husband passed away, Asaka has been living with her daughter and son-in-law. Recently, her daughter has been busy with work and comes home late at night. Her nighttime activities with her son-in-law have also become bland. One night, her son-in-law was drinking alone. Asaka was taking a shower. She called her daughter for soap, but her son-in-law came and saw her naked. The son-in-law quickly left, but became excited and masturbated. Asaka found him. Feeling awkward, Asaka instinctively reached for her son-in-law's crotch. She told him not to tell her daughter...