Your step-mother told me, that you masturbated on a bikini photo of me, your swim teacher. I know you are young and your testosterone level is high. or was it at the swim lesson when I accidentally grabbed your balls? BTW, I am still excited how big your balls are, I mean a boy of your age should have smaller balls. My thong suit is maybe a bit too exciting for a boy like you. Anyway, we must do something about it, those young balls - full of sperm! So I think your step-mother is wrong, you should masturbate a lot, in order to empty those young balls of yours! You know I that I occasionally...

Your step-mother told me, that you masturbated on a bikini photo of me, your swim teacher. I know you are young and your testosterone level is high. or was it at the swim lesson when I accidentally grabbed your balls? BTW, I am still excited how big your balls are, I mean a boy of your age should have smaller balls. My thong suit is maybe a bit too exciting for a boy like you. Anyway, we must do something about it, those young balls - full of sperm! So I think your step-mother is wrong, you should masturbate a lot, in order to empty those young balls of yours! You know I that I occasionally peek in the boys shower, especially looking at those with the biggest dicks like you.
So pull your pants down, I want to see it again. and I instruct you to jerk off together with, after a cum countdown from 20 to zero. And me, your teacher will strip down to full nude for you as I count you down, a reward for making me wet, just by showing your young and very big cock!
I am a bit dizzy still, from my orgasm, so go home to your step-mommy. Don't tell her what we did, so in the future we can do this more often.
Length 10:45 minutes.