Between the Sky and Sea (Japanese: ソラとウミのアイダ, Hepburn: Sora to Umi no Aida; lit. "The Space Between the Sky and Sea") is a Japanese media franchise created by Oji Hiroi and owned by ForwardWorks, at the time a subsidiary of Sony Interactive Entertainment. It primarily consists of a smartphone game, released for Android and iOS on September 28, 2017. A Microsoft Windows version by DMM was originally announced to be released in Q2 2018, but was ultimately never launched. The game's service ended on May 7, 2019. An anime television series adaptation by TMS Entertainment aired from October 4 to December 20, 2018. Sentai Filmworks have licensed the series. Source: Wikipedia (en)