In 2007, Norie Yamada and Kumichi Yoshizuki began work on a third title in the "Someday's Dreamers" universe titled . It was serialized in Kadokawa Shoten's "Monthly Shōnen Ace" and began its run in the April issue, released on February 26, 2008. "Summer Skies" was scheduled to have a live action movie adaptation released on December 20, 2008, though it was originally scheduled for a summer 2008 premiere. The story was also adapted into an anime television series, following the new main character, Sora. The series is directed by Osamu Kobayashi and is animated by Hal Film Maker. It aired on TV Asahi from July 2, 2008 to September 24, 2008.