No one knows that the legendary ghost king had a sister during his human period, although they are not related by blood. After they got engaged, Kibutsuji Blue Eucalyptus left him. Ghost Dance Tsuji Mumei spent hundreds of years looking for her, and finally found her. But his little sister doesn't remember him, and he was raised by a group of monsters. The question is, how should he snatch his little sister back from a group of monsters?
Concept: sweet love