step-mom asks her step-son if her sexy outfit is nice enough for his step-dad, They are going out tonight and she wants to surprise him. She notices her step-son gets red and seems embarrassed and she doesn't know why until she looks down and sees his huge cock hard in his pants. She finds out this is his first hard on so she tries to walk him through it. "come here, lets take it out and rub it. Its okay, don't be embarrassed"... She takes it out and rubs his cock, then ask if hes okay with her putting it in her mouth. She sucks it so good then rides it, she talks dirty to try and help him cum. He explodes for her and shes so happy to help, "now don't tell your step-father about this, or next time I won't be able to help you".