Stepmother helps stepson who has taken viagra

The boy shows the stepmother his dick because he has an erection that he can't stop. The boy has taken viagra and has a hard cock for a long time. The stepmother goes to the boy's room and explains that he has had an erection for 5 hours. The boy tries to masturbate but he can't ejaculate, so the stepmother tries to help him by holding the stepson's dick and jerking him off. Then she gives him a blow job and lets the boy touch her tits and pussy. They are both very horny and the boy fucks her hard in a doggy position. She moans with pleasure while the boy gives her hard penetrations. She sucks his dick again and rides the dick of the guy who caresses her tits while he fucks her until she masturbates him again making him ejaculate abundantly