Violated by father-in-law... beautiful wife

The Tachibana couple's life has come to a standstill and they have decided to stay with her husband's parents. Mizuki feels embarrassed that they are invading her father-in-law, Hanbei, and causing trouble. Hanbei takes advantage of Mizuki's pure feelings and gradually reveals his lewd true nature. Hanbei's erect penis is inserted into Mizuki's clean and sensitive area...