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.After my father was restructured, my sister’s income became my lifeline.From that time on, my sister became a king of my home, and the whole family became servant.When I concentrated the dangerous sexual desire enhanced agent from my friend 100 times, I gave it to my sister with half a joke, and my sister fell Gangmari’s small fish.I erected while being a younger brother.