Shakugan no Shana

In a world where life-draining creatures known as Crimson Denizens wreak havoc and leave only remnants of souls called "Torches" behind, humanity teeters on the edge of extinction. These merciless beings are a constant threat that lurk in the shadows, feeding off the essence of their victims until no memory remains. In this dire situation, warriors known as Flame Hazes have taken it upon themselves to put an end to these monsters and protect what's left of mankind.Yuuji Sakai, a seemingly ordinary high school student, finds himself catapulted into this nightmarish reality when he is suddenly ambushed by a Denizen. Just as all hope seems lost, a mysterious girl with fiery red hair and piercing eyes appears to save him from certain doom. But before Yuuji can grasp the gravity of his new circumstances, he learns the horrifying truth: he has already been reduced to a Torch—a mere echo of his former self, destined for oblivion. As he grapples with this unsettling revelation, Yuuji must rely on the enigmatic girl and her fellow Flame Hazes as they embark on an unrelenting mission to destroy the Crimson Denizens and bring hope back into their world.