The older sister, visiting her sick sister, tells her sister's husband, whom she hasn't seen in a long time, "I feel uneasy being alone because we're separated." But he reacts to this older sister... "He's probably sleeping. If you misbehave, you'll be found out!" "Hey, what are you doing!" Soon after, the older sister feels very comfortable, and urine drips down her bladder! "So wet, what a lewd cunt!" "Ah~ I'm coming, I'm coming~, okay~!!" Because it's something they shouldn't do, they are both unusually excited. A married woman is called in by her father-in-law. Because her son is stationed alone in another city, she has always lived alone. Her father-in-law persuades her to live with him. His purpose is... The wife finds a mature woman's erotic book in her father-in-law's room, and suddenly... "You've never done this before, have you?" "Don't say that, ah~ Daddy, no~!" The elderly father's sticky masturbation takes over the mature wife's body and mind. "Oral sex is great too, but the cunt down there is really amazing!" "Wearing this, I'm so embarrassed~!" It includes two episodes.