Lin Huang was a 15-year old boy from Earth, on a path to live his life in a world full of monsters. With his younger sister in his care, and given only 91 days to live, the odds were not in his favor at all... That is until, he killed a vicious vampire, purely by accident. With a twist in his tale, his life was changed completely. As he fought his way through this world with the help of his troops made of men and monsters, the boy sets his sights on a much larger ambition of becoming the greatest monster hunter in the world!