The target of the precocious butt fetish erotic demon Shota is Rei Kureki, a Mr./Ms. who is a gentle big ass sister who thinks of her younger brother! Rei learns that her younger brother is being bullied and scolds Shota. However, instead of stopping bullying from Shota, he was given a lascivious exchange condition! Rei offers her ass to Shota for her younger brother. - Excited by the denim buttocks, fainting in agony with the T-back buttocks, frenzy with the raw buttocks! - Against a big butt with a tension of over 90 cm, Shota's deadly butt snobbing play explodes!