I want Mu Qing to have a snow leopard companion. It's fits his iciness, and appears all mysterious and graceful until it makes any kind of movement at all, because this is the goofiest fucking cat ever.
He accidentally happened upon it on a mission after a dangerous demon, and it would not leave him alone. Ling Wen suspects it may be very young, lost it's mother before it was really ready to be on it's own, and has for some reason has decided Mu Qing is Mom now.
He swears he didn't give it any food, and he only brought it back to the heavens with him because it grabbed onto his very nice boots.(and also started making distressed noises when he tried to leave without it, but he's not going actually tell anyone that.)
So now Mu Qing has this oversized kitten that wants to play with all the things, sit in all the boxes, and be on his lap when he's trying to do paper work. Worst of all it loves Feng Xin, and later Hua Cheng, it also loves Xie Lian obviously, but that is neither surprising or terrible as far as Mu Qing is concerned.