*~ The Goat and the Puppeteer ~*

(Picture credits from Krovav)
This is a romance/fantasy story. About a goat that is a demon's pet. This has slight NSFW and other topics listed in the warnings.
A goat and a lovely demon. The demon master and the small goat pet.
The goat is named Onyx, (Male) as they are humanoid and can change from form to form.
Main: Humanoid with goat legs, ears, and horns. Their hair is fluffy and blonde with spots of black.
Offset: Full on goat.
While the demon is named Katsubou, (Male) they can also change from form to form but have multiple forms.
Main: Humanoid with horns and an imp tail. They have small wings that flutter and get bigger when angry.
Offset is: A small cat with horns that can spit fire, a black ragdoll cat.
Other: Dragon that spits fire but is small but gets larger on demand.
Other: Anything you could think of, including a viper. But, tries to maintain a demon form at most times.