Rodolphus's Mate

It is said that when a werewolf finds their mate, much like a penguin, they mate for life. But what no one ever tells you is that the chosen mate is automatically the Omega. Rodolphus Lestrange has kept his and his partner's, Fenrir Greyback, lifestyle a secret. But sooner or later it will come out. It always does. Omegaverse!AU.