Gleipnir

Shuuichi Kagaya appears to be an ordinary individual, but beneath his unassuming exterior lies a startling secret: he is no longer entirely human. He possesses an unnatural, heightened sense of smell and harbors the ability to transform into a remarkably powerful, beast-like entity. Desperate to maintain a semblance of normalcy, Shuuichi dedicates himself to blending in, carefully suppressing his extraordinary abilities to avoid drawing attention or risking exposure. However, his commitment to a quiet existence is shattered by a single impulsive act of compassion. When he chooses to use his hidden power to rescue a girl from danger, he inadvertently sets off a chain of irreversible consequences. This well-intentioned decision strips away his anonymity, proving that even the most noble actions can carry a heavy price. Thrust out of the shadows, Shuuichi finds that the peaceful life he worked so hard to protect has come to an abrupt end. Forced to confront the reality of his condition, he must now navigate a dangerous new world where his secrets are no longer safe and his monstrous capabilities may be his only means of survival.