[CRB-071718-709] Husband had sex with wife’s sister “Mikan Kururugi”. This is a story about a man who mistook his sister for the younger sister of a pair of sisters. After learning that his older sister, Ringo, had recently started living with her boyfriend, Mikan frequently visits her new home. After they start living together, her boyfriend enjoys living together by sucking on her pussy while she sleeps on the sofa in the living room and walking around the room naked. One day, when her boyfriend comes home, he finds his older sister, Ringo, sleeping in her underwear in the bedroom. He gets horny seeing her in her unfamiliar black underwear! He licks her big areola and beautiful clitoris, and when he inserts his hard cock into her soaking wet pussy, she tightens her vagina more than usual. He shuffles faster than usual in the cowgirl position and ends up cumming inside her. Then his older sister, Ringo, comes home. Her boyfriend stares at Mikan’s smile as she lies there with wide eyes.