Thundercracker is so willing to mass shift for this.
He is usually the one who gives the service, so having a human of all species being so generous to let him overload, he's never been this excited before. The first time in years he's overwhelmingly aroused like this.
When your tongue flattens against his wet folds, softer than an average cybertronian, he immediately pushes his crotch for more. Doing his best not to crush you with his servos and just grab your head to shove it into his sopping hole.
Who knew humans are great at pleasure? He's melting, writhing, and burning the sensation into his memory banks. No going back. He's addicted. More, more.
















