IENFH-034 A high school girl who pitied my pathetic self agreed to let me do 'so-ko' (frottage) with the promise of just rubbing. But we both got too into it, and her pussy was soaking wet! So I slipped it in! "What?! It's inside?" But I couldn't stop and

The younger sister of a female student is sleeping with her panties fully exposed. The brother, excited by the sight of his sister's naked body, immediately grabs his dick and starts jerking off. However, he is quickly noticed, and the brother who lusts after his sister is treated as a pervert. But gradually, she starts to feel sorry for him. Thinking that her brother might turn into a pervert if left like this, she says, 'Are you pent up? Let me help you release it' and gives him a handjob and blowjob. But since the brother can't cum, the sister, losing patience, says, 'I can't let you insert it, but I can just put on clothes for you!'