Roy, a black goat spirit, is getting bullied when out of nowhere he's rescued by the beautiful fire god Siu. Siu gives Roy the ability to take human form, and a grateful Roy decides to serve Siu as his new master. Now by Siu's side every day, Roy wishes to become more than just his servant. Painfully aware of just how ugly he is, Roy believes Siu could never care about him, and one day something happens to bring Siu's wrath down on Roy. What must he do to carry the fire god's favor?