An aimless gamer and his two friends find themselves in a parallel Tokyo, where they're forced to compete in a series of sadistic games to survive.

Kamome Academy is rumored to have many mysteries, the strangest of which involves the mischievous ghost of Hanako-kun. When occult-loving high schooler Nene Yashiro accidentally becomes bonded to him, she uncovers a hidden world of supernatural beings. Now the two of them are conspiring to keep the peace between student and supernatural—that is, if they can only stay out of trouble themselves.

深夜，挥舞巨大钢筋袭击人类的亡灵“钢人七濑”。是单纯的都市传说，还是真正的亡灵？给予妖魔鬼怪们智慧的巫女——岩永琴子，与之正面抗衡。为了消灭由人类想象力创造的恐怖妖怪，为了对抗虚构，琴子设下了由虚构组成的重重机关。