Yuji's ordinary life shatters the moment he realizes he's already dead. A mysterious flame consumes his existence, yet he continues breathing, walking, talking as though nothing changed. Then Shana appears, a silver-haired warrior with burning eyes who hunts the creatures responsible for his fate: the Denizens, otherworldly beings that devour human existence itself. She offers him a deal. Become her torch, a temporary vessel that lets him exist a little longer while she fights to protect the world from supernatural invasion. What begins as a transactional arrangement becomes something deeper as Yuji discovers the truth behind the Denizens' hunger and Shana's solitary mission. The two must navigate a hidden war where humans serve as fuel for ancient powers, where every moment counts toward an inevitable end. Tension builds between survival and sacrifice, between the connection forming between them and the impossible circumstances keeping them apart. This film adapts the source material's opening arc with action-heavy sequences and character depth the original anime couldn't fully capture, grounding the supernatural stakes in genuine emotional weight.