My step son spies on me having sex (voyeur style), it ends with me not orgasming and being very disappointed, but the guy just leaves anyway. I lay on my bed, to get some rest, then I feel a cock filling me up from behind, it feels really good! I assume its my BF who changed his mind, but its not, its my step-son! He fucks me for a while and I talk about how good it feels and how much better it now feels. I have a HUGE orgasm, I turn over to thank him but I am mortified to find out it was my step son! No one can find out about this, his cock is still rock hard and he wants to fuck me some m... Show more