Naoko is a slightly chubby older sister who loves sex. She's a total pervert who needs to lose weight, so she has sex with her brother as a regular diet. When her brother comes home from his part-time job, she deep throats his dick and sits on his face with her already soaking wet pussy, making him sweat. When it comes to sex with her brother, the older sister is always the one taking the lead, and as long as it feels good, that's all that matters. Today, too, she straddles her brother and shakes her hips with all her heart, letting him rub her big ass and asking him to fuck her hard from behind, asking for a creampie.