Kate visited a garage sale of a mad scientist and for $3, managed to obtain this funny looking ray gun. Upon reading the instructions in the manual, it seemed to indicate that being zapped with the ray would transform an anthro being into their feral form. They would retain their sentience and their mind, but their body would be transformed...
Excited by the idea, Kate wandered to the pet store and bought a pet bowl and a leash for her lupine lover, and sneakily crept up behind her as she hung the laundry. Suddenly, she zapped her lover and watched as the clothes she held fell to the ground and her lovers hands could no longer hold objects.
Once she realized what had happened, Lucy rushed up to her lover and panted at her.
Kate looked down at her adorable lover and giggled as her clothes still hung off her form, awkwardly fitting her quadrupedal body. "Aw, you're so cute! I'll turn you back eventually, but for now I want to play fetch! You know fetch, girl?"
"Hey!" Lucy cried out cutely.
Note: The original description had both of them in clothes, though the artist finished it early in the morning, and upon realizing the clothing optionalness of the pic fixed it up for me nice and easy! She's awesome. :)