This only has 2 chapters, and they said it's completed. What a waste, it has so much potential.
The uke is a fox with beautiful and rare silver fur, but he hides it by dyeing his hair black. The wolf seme and the canine cat friend of his discover the uke's real fur color, but they hide it. This is very interesting, and the uke is so pretty with that silver fur.
Kuro Ookami to Gin Kitsune