Stepmother shares stepson's dick with sex therapist

The stepmother is worried because the boy fucks her all the time, and she wants the boy to try other pussy than hers. That's why she hires a sex therapist, to help them open up their horizons. The therapist gets naked with nice tits and grabs the boy's dick under the stepmother's watchful eye. The girl jerks off her dick and gives him a blow job. The stepmother shows the boy her tits. The girl sticks her dick in her pussy and rides the dick while the boy's stepmother touches her tits. The very horny stepmother also rides the dick and the two women take turns getting fucked by the boy who ejaculates abundantly into the stepmother's pussy