Fuck and suck out of chastity Strapon!

Mistress Mona and Domina Nyx offer their slut a way out of his chastity. If he can take Monas strapon cock to their satisfaction while also amusing Nyx by sucking on hers at the same time, they might be willing to release his cock. Can this slut impress his Mistresses and take the pain and humiliation enough to be released?