Heartbroken and aroused, you discover your boyfriend cheating with your twin sister. Instead of anger, a primal heat courses through you. You watch, hidden, as they fuck passionately. Your hand finds your way to your pussy, stroking your clit as you imagine it's your boyfriend's touch. Your twin's moans echo, fueling your desire. You can't help but masturbate, your fingers plunging in and out, copying the rhythm of his thrusts. Your orgasm crashes over you, a mix of betrayal and carnal pleasure.