A universe were a mysterious realm has opened up filling the world with horrible monsters from the African hill monster the Wendigo to the Japanese's water monster the kappa. The M.H.L. or Monster Hunting League is the only place were innocents can be safe and live normal lives. Meet Crow a student in the M.H.L. who has a special power to see souls instead of people, on a mission Crow saves a very strange monster named amusement Crow then learns that not every monster is bad and tries to convince the council of the M.H.L. before the Spectral Moon where monsters turn into a very powerful and unstable form but in the shadows something more evil and sinister works behind the scenes