Collin, a man born from a secret science experiment, possesses predatory abilities—regenerative healing, enhanced senses, and unmatched speed. Once a soldier in the military, his secret was exposed when a close comrade witnessed his inhuman healing factor. Word spread, leading to the intervention of a covert organization that hunts anomalies like him. Betrayed, Collin fled into the desert, escaping into the shadows of the world. Now in Japan, he struggles to live a quiet life, but danger follows him at every turn—mafia, street thugs, and secret agents all want a piece of him. As he fights for survival, he discovers he's not alone. Others like him exist—some predators like himself, others prey, born from the same experiments, living in fear. With his past shrouded in mystery, Collin must uncover the truth while staying one step ahead of those who want him dead.