5 Centimeters per Second (秒速5センチメートル, Byōsoku Go Senchimētoru) is a 2007 Japanese animated romantic drama film produced, written and directed by Makoto Shinkai. The film was finished on 22 January 2007. The first part of the film was released on Yahoo! Japan as streaming video to Yahoo! Premium members from 16 to 19 February 2007. On 3 March 2007, the full length featured film had its theatrical premiere at Cinema Rise in Shibuya, Tokyo. The film consists of three segments: "Cherry Blossom" (桜花抄, Ōkashō), "Cosmonaut" (コスモナウト, Kosumonauto), and "5 Centimeters per Second" (秒速5センチメートル Byōsoku Go, Senchimētoru), totaling about an hour of runtime. As in Shinkai's previous works, Tenmon composed this film's soundtrack. The film was awarded Best Animated Feature Film at the 2007 Asia Pacific Screen Awards. The DVD was released on 19 July 2007.
Tohno Takaki and Shinohara Akari, two very close friends and classmates, are torn apart when Akari's family is transferred to another region of Japan due to her family's job. Despite separation, they continue to keep in touch through mail. When Takaki finds out that his family is also moving, he decides to meet with Akari one last time.
As years pass by, they continue down their own paths, their distance slowly growing wider and their contact with one another fades. Yet, they keep remembering one another and the times they have shared together, wondering if they will have the chance to meet once again.