Humanity forced its own evolution to survive, but the system didn't just create heroes—it spawned monsters. In a city spiraling into chaos, Kosake Hyon tries to maintain a quiet life and protect his younger siblings from the growing threat of the "altered." However, when global violence erupts and the secrets of the new humanity come to light, Kosake and Malik must face a harsh reality: to save the ones you love, sometimes you must become the worst curse of all. Why are some born to be heroes while others are consumed by the monster within?