Serial killers, starvation cults, and spicy noodles - just another day in Nihon City. It's been one hundred years since Tokyo was ravaged by a ghost quake and talking about the supernatural was forbidden. To escape her unhappy family life and mundane job, Kichi Honda spends her days off visiting Mister Tanaka, an old man who tells her illegal tales of haunted Japan. But when Kichi gets stranded on Level One, she meets an impossible girl who claims to have come from Tokyo. Kichi learns the truth about what really happened all those years ago ... and discovers history is about to repeat itself.