ROYD-092: Even my insanely slutty sister convulses from being made to cum repeatedly! My friend is a sex monster… Kawakami Nanami

About this work

My sister is an ultra-slut who has sex with anyone. Even after sleeping with nearly ten people in a single day, her libido still isn't satisfied; she's a bundle of sexual desire who says things like, “I want even crazier sex.” I'm worried she might head in a dangerous direction if this continues. I wondered if there was anyone who could satisfy her appetite — and there was one. At my school there's a guy whose sex drive is so strong he's called a sex monster, almost one step away from a sex offender…