[Chinese]START-255 My family's prince was forced to perform extreme sex acts/revenge. I decided to take revenge on my always condescending, arrogant sister by giving her a 100x concentrated libido enhancer. She turned into a trashy cunt and, even though I'm her br

I hate my sister. Ever since our father was laid off, her income became the lifeline of our family. From that point on, she became the king of our house, and all of us became her servants. I took some potent aphrodisiac from a friend, concentrated it 100 times, and gave it to my sister half as revenge, half as a joke. She ended up being extremely horny and fell into a slutty state. Even as her brother, I got an erection.