'Okko's Inn' trivia and fun facts

From book to film

The film is based on a series of Japanese novels, written by Hiroko Reijo and illustrated by Asami.

Kitarô Kôsaka, director of the film, works as animator in movies like 'The Wind Rises', 'Akira' o 'Spirited Away'.

The film has a prequel in the form of TV series, which has the same name.