The story of Pii a young soul suffering from amnesia. Pii has a need need to seek the help of "Holy Water Students", people who sees ghosts; unfortunaltely his fear of the Holy Water group is not helping his cause. The formation of a bond between P and the group mean he must deal with Kamin, evil spirits trying to pump his soul to increase its own power. Fortunately, there is are Angels abe to to assist.
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