This series takes place in an ancient city where only spirits live and no human knows that even this city exists. so join the story of the spirits, the tale of the afterlife!! Licensed in Wikipedia [Japanese](https://ja.wikipedia.org/wiki/%E3%81%8B%E3%81%8F%E3%82%8A%E3%82%88%E3%82%82%E3%81%AE%E3%81%8C%E3%81%9F%E3%82%8A)