The Last She-Wolf.

In the world where female werewolves are nowhere to be found, which caused werewolf species to go almost extinct. Samantha, as the last living she wolf who can only save the whole werewolf species has to survive. 15 years ago, a pack of male wolves who thought mates make them weaker killed every female in the Werewolf world so there won't be any weakness. Raymond, the undefeatable alpha wolf is the strongest alpha. Everyone feared him, but the one he longed for was his mate. He saw how in love his parents were before they were killed in that war. Though he knew his mate would have been killed in that war. There's still a hope in his heart that just won't go away. But no matter what, if his mate is still alive he'll do everything to protect her