[JJDA-034] My kind and hard-working wife is too boin to endure! Yuki Rino

Father-in-law who lives with his son and his wife... Norino-san, a kind, beautiful, hard-working "wife of the Mother-in-law," was always taking care of her on a daily basis, such as picking her up and dropping her off at the hospital. Ever since he learned that his daughter-in-law was actually masturbating in secret between chores, his father-in-law had been heartbroken but his crotch was hot. My son doesn't seem to be able to satisfy such a devoted wife at all in the night life part. My father-in-law, who felt sorry for his wife, persevered and committed a forbidden act...!