Onyx Storm (The Empyrean, #3)

by Rebecca Yarros

“You aren’t Dain.” Xaden shakes his head. “I’m Dain.” Dain raises his hand briefly. “And he is?” Narelle asks me. “Xaden Riorson.” I lift my chin as if I’m answering to my father for my choice. “And he’s mine, even when he’s being a possessive ass.”