A man who can't sleep due to his arousal over his sister-in-law's erotic body. Before dawn, when judgment is impaired, the man takes a love potion and carries out a night raid! He lifts the covers of his sleeping sister-in-law and fondles her breasts and crotch. When she notices something amiss and wakes up, he smears aphrodisiac oil all over her body! Her initially resistant attitude suddenly changes…her body heats up and her sensitivity increases! She shakes her massive tits while having sex in the cowgirl position, writhing in ecstasy！！
