My girlfriend never lets me fuck her without a condom. When we finally have sex again after a long break, I hope she might agree to raw sex, but her defenses remain firm. As I obsess over how much better bareback would feel, her busty older sister flaunts her tits and tempts me with permission to cum inside. I love my girlfriend, but cannot resist her sister's breasts and bare pussy. Lost in the affair, I creampie her repeatedly—and even when my girlfriend catches us, it feels too good for me to stop thrusting.