Your skin tingles in your heated prison and you start to feel as though the arcanines musky sperm is soaking into you far deeper than it should. In a panic you wipe at the slick cum on your arm only for the entire appendage to fall off painlessly. You try to reach for it out of reflex and are even more stunned to find the arm regrowing as if inflating from your shoulder.

As you try to come to terms with your ongoing transformation a sudden shift rolls you onto your head in the fleshy sack. Before you can right yourself the tight confines are made even tighter as arcanine massages his balls with a paw to churn you around into a fully liquid form. Your new cum body blends into his own feral sperm until you can't discern between yourself and his essence. His balls grow hot as he rubs you around the fleshy orbs, and even more sperm is produced to add to your growing form.

Once he finishes massaging himself he rolls to his paws to admire the way his captive has expanded his balls. Giving a little shake of his rump he smiles at the thick bounce against his thighs and the heft tugging between his legs before looking for something else to occupy his day.

He finds...