Ten years ago, ace hunter Raven defied his guild's sacred rules to rescue and raise Ash, an orphaned pup from the enemy Moon Wolf clan. Now, the clingy cub has grown into a dominant pureblood Alpha whose suppressed devotion and possessive hunger are spiraling out of control. Torn between age, duty, and taboo boundaries, Raven tries to run—until a fatal crisis forces Ash to execute a permanent mating mark to save Raven's life, shattering the line between guardian and mate forever.