She shows him all he needs to know by offering him a helping hand like she used to. She pulls out his cock, and boy has it grown! She spits on it and goes down for a sloppy, slobbery blowjob. Then he admits his cock right into her tight collegiate slit for some rough cramming before the cum test. Finally, he makes the grade by cumming all over his stepsisters face. Too bad mom found out in the end!