Summary: Yuichi Arisu slaves away in a cold, geometrical office everyday, in a humdrum job, somewhere in the huge, impersonal city of Tokyo. Every night he commutes home to his distant wife, and buries himself in the mystery novels of Jo Kuroda, a writer who has conjured up a strange alternative universe called the Darkland.
Then, one night, Arisu’s wife disappears. The following day he falls asleep on the train on his way home and wakes in a siding to find Jo Kuroda sitting opposite him. The writer persuades Arisu to tell his own story...