"Which do you prefer, my sister's breasts or mine?" My girlfriend's older sister, who doesn't usually wear bras, presses her voluptuous J-cup breasts tightly against my body. I'm Kokoro by the feel of her big beautiful breasts... and I end up cheating on her as she invites me. "If my sister finds out, it'll be over." Even though my girlfriend is right next to me, I feel so good that I can't stop shaking my hips and sucking on her huge breasts. Once I experience the titty fuck and hug that I can't get with her small breasts... I can't stop getting an erection!