Mistress Ava Black and Lady Bellatrix train their slave in the art of maintaining his erection.

They test to see if he can last long while jerking off. Especially when he sees his Mistresses making out and humiliating him shamelessly about his dumb male desires.

And the peals of laughter when he cums messily all over the floor!

Eat up boi! You don't get away that easy...