You shout as the goo drips down from above, heavy enough to send you falling onto your butt. It works quickly, greedily overtaking your body and melting into your skin. You barely have time to register the new heaviness on your head before fur starts to grow across your neck, your face lengthening into a muzzle, complete with a soft pink nose.
Your new fur is oh so soft, even before the shift finishes, and you squish your new paws in confusion, mind used to seeing hands. Your new ears twitch, followed by your nose as your legs shift to something more animalistic. It felt sort of nice. Though you would have preferred some sort of warning to the sensation of sprouting a tail...