Known as 'Journey to Agartha' in the UK, is a 2011 Japanese anime film created and directed by Makoto Shinkai, following his previous work 5 Centimeters per Second. This film is his longest animation film to date and is described as a "lively" animated film with adventure, action, and romance centered on a cheerful and spirited girl on a journey to say "farewell". A coming of age story involving young love and a mysterious music, coming from a crystal radio left as a memento by an absent father, that leads a young heroine deep into a hidden world.