"Alright then..." He murmurs, before holding her tits steady. He slowly sinks his cocks in, and lets out a loud moan, his eyes rolling back slightly as he thrusts in. "S-so fucking tiiiight!" He moans.
Olivia on the other hand... Well... Her brain is pretty much fried and scrambled with pleasure at this point. Alex's bristles rub her all over the inside of her breasts like little spines, and the fresh, somewhat virgin flesh is unused to such penetrations.