After aiding in the resurrection of the legendary vampire Kiss-shot Acerola-orion Heart-under-blade, Koyomi Araragi finds himself transformed into a vampire and bound to her as a servant. Kiss-shot assures him that she can restore his humanity, but only upon recovering her full strength. Araragi sets out on a quest to locate the three vampire hunters who vanquished Kiss-shot, retrieving her scattered limbs to restore her power. As he nears the culmination of his arduous journey, Araragi grapples with the implications of fulfilling his goal. The prospect of resurrecting an immensely powerful immortal being raises doubts and fears about the consequences of his actions. Unraveling the mystery further, Araragi questions how the hunters managed to defeat Kiss-shot in the first place, prompting uncertainties about her trustworthiness. Amidst these uncertainties, Araragi faces a critical decision that could lead to irreversible outcomes, forcing him to confront his deepest anxieties and uncertainties about the enigmatic vampire he serves.