Busy husband and wife Yui have not had nighttime activities in a long time. She is too embarrassed to initiate, and today, after sending her husband off to work, she naturally starts playing with herself. As she plays with herself and the obscene sounds fill the air, suddenly her father-in-law enters the room. Yui, caught in the most embarrassing act of self-pleasure, can't speak and just looks down. Anticipating this, her father-in-law skillfully pushes her down and gives her a deep kiss. Despite feeling guilty towards her husband and the taboo sensation rising from her womb, when her father-in-law shoves his huge cock into her mouth, she reflexively moves her tongue to taste it…
