First your young sexy and dominant stepmother is making jokes about your big developed balls, even how it is to have such big balls... it's because it obviously turned her on, as she saw you naked before... but there is a problem stepson, when we go together to a nude beach... every time when those women stare at your developed genitals you get hard in public!
I don't want my stepson showing his erection in public anymore... so you must masturbate before we go next time.
Stepson I hope you remember this sex lesson... if you get hard in public again, I wouldn't hesitate and cut your ...

First your young sexy and dominant stepmother is making jokes about your big developed balls, even how it is to have such big balls... it's because it obviously turned her on, as she saw you naked before... but there is a problem stepson, when we go together to a nude beach... every time when those women stare at your developed genitals you get hard in public!
I don't want my stepson showing his erection in public anymore... so you must masturbate before we go next time.
Stepson I hope you remember this sex lesson... if you get hard in public again, I wouldn't hesitate and cut your balls off!!!
A quick demonstration for how easy it is: Look, like those two plums in a bag... snip snap... and they just fall down to the ground.
Length 6 minutes.