The step-son gets hard while sleeping with mom

In the middle of the night I woke up because my stepson entered the room. Could not sleep and he asked me to let him stay in the room. Clearly there has been no problem. But when he was laying next to me, began to behave in strange ways. He started to touch my tits and my ass, I told him to stop, but then I realized that she had the hard cock. My stepson has had an erection because of me. I was really surprised and curious at the same time. I left him to do what he wanted. Then my stepson opened my legs and nailed his cock to the hilt. We did not sleep that night.