Iris never expected to find herself drawn to an immortal creature infamous for his ruthlessness. Was it an inexplicable attraction, or simply the mesmerizing power of Jonathan Hickman's presence that left her spellbound? Jonathan Hickman stands as the most feared demonic force in the hunter organization's sights. When their paths collide, Iris—a demon slayer consumed by vengeance for her adoptive parents' deaths—discovers herself caught between duty and desire. The organization's mandate is clear: eliminate Jonathan at all costs. Yet fate has woven their destinies together. Two opposing forces, destined to collide, now find themselves impossibly dependent on one another. As their bond deepens, Iris faces an impossible choice: betray her companions to save the one she loves, or watch Jonathan fall by her own blade? In this dark tale of possession, revenge, and forbidden passion, every choice comes with a blood price.