Heir of an category of exorcist, Keika It's stricken by poverty after losing his parents. He struggles as a street fortune-teller and computer retrieval part timer to make money. 1 night he meets with the mysterious exorcist, Ki Tanmokuand a wicked soul, fighting with. This encounter is the start of a fated story for Keika You. Unfortunately for himhe was hit by an automobile and became a ghost. This was once the handsome exorcist Ki seemed and asked Keika to make a"pact" with him to fight wicked spirits together. Here opens the friendship of the heroes!