She's a wolfpire

"She's mine" my mate growled.
"She's not only yours" my immortal hissed back.
"Yes, she is. She's a werewolf and she's my mate" my immortal let out a cold, humourless laugh, "see, that's where you're wrong" he said with amusement lacing his tone.
"Oh yeah? Enlighten me" my mate said impatiently. "She's not only yours because she's mine as well. How? She's not a werewolf. She's a wolfpire"

Alex isn't your normal teenager, no. She's not just a werewolf, and she's not a vampire. She's both. Unlike other werewolves and vampires, she doesn't have one person she's destine to be with, she has two. But who will she choose? And, what if one is highly dangerous but she has no choice but to love him?