ROYD-092 Even the ultimate sex maniac sister convulses from constant orgasms! My friend is a sex monster… Kawakami Nanami

My older sister is a super spearman who has sex with anyone, and even with nearly 10 people in a day, her sexual desire still does not subside, and she is a mass of sexual desire saying, "I want to have more crazy sex." If things go on like this, I can't help but feel like she's going in a dangerous direction. I was wondering if there was someone who could satisfy her sister's libido, and there was one. There is one person in my school who is said to be on the verge of becoming a sex offender because of his sexual desire...