A father-in-law who fell in love with his son's wife, Miina, who should never be interested. Mina-san has a lovely gentle smile, and her big boobs are attractive. Even though he knows it's a bad thing, he fantasizes about his son's wife's lascivious appearance. A daughter-in-law who masturbates to show off, a daughter-in-law who gently blows in the bath, and the delusion of the father-in-law grows steadily.
