I'm 18 and my step-sister is 19, we are almost like twins and DEFINATELY bi lovers! We enjoy sex together and are always in the mood to have sex whenever we can. If no man is around, we just do each other! Tonight, we were making out while at step-mom and dads house and our step-brother stopped by. He's cute and has a HUGE cock that she and I both love looking at and touching when we have the chance. We had him sit between us and we took turns playing with it and then my step-sis got down on the floor and starting sucking him off. I kissed him several times and watched as his cock grew to it's... Show more