START-255: My Sister’s Libido Lesson Leads to Gang-Bang Bliss [UNCENSORED-LEAK]

I hate my sister. Since my father was laid off, my sister’s income has been our lifeline. From then on, my sister became the king of our house, and all the family became her servants. I gave my sister some crazy libido enhancer that I had received from a friend, concentrated it 100 times, and half as a joke and half as revenge, I gave it to her, and she fell in love with a weak pussy. Even though I’m her younger brother, I got an erection.