His girlfriend helps him fuck his stepmother

The boy introduces his girlfriend to his stepmother and the girl is very indiscreet. He tells the boy's stepmother that when they fuck they play that the girl is the boy's stepmother. After the uncomfortable moment the boy goes to his room to fuck his girlfriend. They are really noisy and the stepmother masturbates listening to them until the girl asks the woman for help because she needs a break. The horny stepmother ends up having a very hot threesome with the stepson and his girlfriend