- Director Makoto Shinkai
- Runtime 1 hour 31 minutes
- Genres Animation, Adventure, Drama, Romance, Science-Fiction
- Language Japanese
Against all odds, a promise will be kept.
In a post-war alternative timeline, Japan is divided into the North, controlled by the Union, and the South, controlled by the United States. A mysterious high tower rises within the borders of the Union. Three high school students promise to cross the border with a self-built airplane and unravel the secret of the tower.