Gleipnir

Synopsis

Shuuichi Kagaya seems like a typical high schooler, yet he harbors a mysterious power to transform into a monster, the origin and purpose of which remain a complete enigma to him. While trying to save a girl named Claire Aoki from a fire, Shuuichi involuntarily shifts into his monstrous form. In the chaos of the rescue, he loses his phone. The following day, Claire confronts Shuuichi, convinced he is the creature she witnessed. When he denies it, she shoves him off the school rooftop to test her hypothesis, forcing him to transform once more to prevent serious injury. Claire records the event and blackmails Shuuichi into sharing whatever he knows about monsters, even though his understanding is minimal. Her real objective is to locate her own sister, who has also experienced a similar transformation. United in their quest for answers, the two embark on a search, unaware that others are hunting for the same truth.