To protect his inheritance from his younger brothers, the eldest son started having his wife Kanako take care of his father. Kanako, deceived by her lecherous father-in-law's fake illness, dutifully nurses him, even going as far as giving handjobs. She can't help but drool over her respectable father-in-law's cock. Thus begins their secret physical relationship. After being caught and blackmailed by the third brother, she commits adultery with her father-in-law. She reaches orgasm multiple times with her father-in-law's large dick. During a 3P with her second brother and father-in-law, her true lecherous nature is exposed.
