My father remarried to another woman, so I suddenly had a mother and a sister. I was extremely nervous, worried and looking for a way to be a brother. But when I met my new sister, I was extremely disappointed. This sister seems to be a yankee, extremely chaotic, selfish and stubborn. I really don't know how to live with this person anymore. When she came home drunk, she accidentally went into the wrong room and slept in the same bed with me. I suddenly woke up and saw her face right next to me, my cock involuntarily reacted when she saw a cute expression that she doesn't normally show. Unable to resist, I groped all over her body, accidentally waking her up. Although her mouth stopped, from her reaction, I knew that she was also feeling extremely excited and happy. I went further and made love to her. And from there, our abusive relationship began...