Captive: Beautiful Monsters Vol. 1 by Jex Lane

Matthew Callahan has spent seven years struggling against the insatiable hunger for blood consuming him. Unable to stop the vampire inside from preying on humans, he keeps himself confined to a lonely existence.

Everything changes the night he is lured into a trap and taken prisoner by High Lord General Tarrick—a seductive incubus who feeds off sexual energy. Forced into the middle of a war between vampires and incubi, Matthew is used as a weapon against his own kind. Although he’s desperate for freedom, he is unable to deny the burning desire drawing him to the incubus general he now calls Master.