Starfish Hotel (2006)
(Japanese 2006)-Many Thanks to Ethen
Arisu 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, Arisuís 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...