I'm Just a Man-Eating Ghost

Some people call me a ghost, some people call me a devil, some people call me a demon, and some people pay tribute to me because they say I am a demon god. I wander around the world, wandering between parallel worlds, but still cannot find my home, because I am destined to be lonely--- This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.