Koyomi Araragi's newfound status as the immortal vampire servant to the legendary Kiss-shot Acerola-orion Heart-under-blade has led him to question his desires. Kiss-shot assures him that she can transform him back into a human, but only once she regains her full power. In his quest to help her recover, Araragi has collected her scattered limbs and defeated her previous assailants. However, achieving his goal has made Araragi wary of the risks involved. Reviving Kiss-shot may lead to unforeseen consequences that he may not be able to control. Furthermore, there are unanswered questions regarding the past battles and Kiss-shot's true intentions. Araragi must decide whether he wishes to take the risk of returning her powers to her. As he weighs his options, Araragi realizes that his trust in Kiss-shot is not absolute. After all, if he, a newborn vampire, was able to best the previous hunters, how were they able to defeat Kiss-shot? The possibility of being restored to humanity also raises doubts in his mind. With the pressure mounting, Araragi finds himself on the brink of making a fateful decision, one that he may come to regret. The stakes are high, and a solution may be impossible to reach without making sacrifices.