Air

Air is a 2005 Japanese anime drama film directed by Osamu Dezaki and written by Makoto Nakamura based on the visual novel Air by Key. Originally, the film was set for a release date in autumn 2004, but was delayed; the film finally premiered in Japanese theaters on February 5, 2005. The film, animated by Toei Animation, is a reinterpretation of the original Air storyline which centers on the story arc of the female lead Misuzu Kamio. Yukito Kunisaki arrives in the town of Kami for a chance to earn money at the summer festival and meets Misuzu on his first day in town. They soon become best friends and a story one thousand years old begins to unfold.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.