In an underground facility, five scientists wake from cryosleep with no memory of who they are or how long they've been asleep. They soon make a shocking realization: a killer is hunting them down there, and may even be hiding among them. 妖精的尾巴激斗官网故事舞台位于广岛县尾道市,描写女高中生与麻将的日常故事。