Dan went back to staring at his new claws when he felt a warm tingly feelings spreading all up and down his belly and chest. He lifted up his shirt and whined when he saw his new fur growing in there. It was arranged in black, white, and brown patches that looked very familiar. His ears grew out and flopped over while Kat watched.
It wasn't long before Dan noticed something unnerving... he was shrinking! He found himself looking up at Kat from a lower vantage point. He felt his shirt was more baggy when he let it slide down back over his fur. He had to hold up his pants to keep them from falling down even though they had been almost too tight when he put them on this morning. Inside the pants his legs were changing: getting much shorter while his feet got longer and forced him up on tip-toes. He wobbled around and barely regained his balance while his tongue got longer and flatter in his mouth. He looked down into his relatively clown-size pants and saw fur all over the place down there.
"I can't let anyone see me like this!" Dan thought to himself. But of course this was the only way anyone would see him from now on. Kat grinned as she watched her new pet come into being before her eyes.
Dan was still clinging to his humanity trying to hold up those giant pants around his beagle-sized body when he felt his spine probing around down inside them. He gulped and lowered the pants a little bit to let his new tail out where he could see it better. Looking over his shoulder, he saw it was just as furry as the rest of him, mostly brown but sporting a bright white tip. He waved it a little , watching with a bit of morbid curiosity as it swirled with his thoughts.
Finally Dan had to let his pants fall to the ground around his paws because his hands were paws, too. He was struggling to stand up right when at last he just toppled over onto all fours. His nose and mouth grew out around him and he found himself looking down the end of a furry muzzle. He felt long white whiskers sprout from the side, and it finally sank in that he was nothing but a little scared dog now, and he was completely at Kat's mercy. He looked up at her whimpering with his tail between his legs, wondering what she would do next.