That JAV

The younger sister 'China' with overgrown H-cup bigtits is raped by her perverted brother. One day, when a classmate comes to deliver a notebook to her, the brother mistakes her for her boyfriend and rapes her out of jealousy... and from that day on, she is raped daily as a sex toy. She is trained to be a dominatrix, and she becomes a slut who begs her brother for his cock...