Unexpected awakening a guy during caresses

The man, tired after work, was sleeping tightly. But his mother did not suit this, she went up to him and began to excite him with touches. He woke up. Further, the woman began to excite her son more and more, began to suck, and then even rubbed her excited vagina about his cock. Soon the guy could not stand it, turned his mommy on his side and inserted her into her anal.