I got tired of being clingy with my sister who is an extreme bro-con. Even though she is a woman, I honestly don't have any special feelings for her. So I mustered up the courage to strongly refuse her, but she became enraged and restrained me while I was sleeping so that I couldn't move. She smiled fearlessly at me and said, "I'll make you cum until you fall in love with me," and made me cum over and over until I was exhausted... My sister was unexpectedly erotic and kept pushing against my pleasure points...