Sound of the Sky is a Japanese anime television series produced by A-1 Pictures and Aniplex and directed by Mamoru Kanbe. The 12-episode anime aired in Japan on the TV Tokyo television network between January 5 and March 22, 2010. Sound of the Sky is the debut project of Anime no Chikara. A manga adaptation illustrated by Yagi Shinba began serialization in the January 2010 issue of ASCII Media Works' Dengeki Daioh magazine. A visual novel developed by Compile Heart was released on the PlayStation Portable in May 2010.