Between the Sky and Sea

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.

Characters

;Haru Soramachi
;Namino Murakami
;Ruby Azumi
;Maiko Sakura
;Makiko Maki
;Makoto Mitsurugi

A manga adaptation was serialized by ASCII Media Works in their Dengeki Daioh magazine between September 2017 and November 2018. The series was compiled into two tankōbon volumes.

An anime television series adaptation was announced on July 25, 2017. Atsushi Nigorikawa directed the anime at TMS Entertainment, and Takashi Yamada is in charge of series composition. Shūhei Yamamoto drawn the character designs. The series aired from October 4 to December 20, 2018, on Tokyo MX and other channels. The opening theme is "Sora to Umi no Aida" by Karin Takahashi, Honoka Inoue, and Momoko Suzuki under their character names, and the ending theme is "Ao no Kanata" by Konomi Suzuki. The series ran for 12 episodes. Crunchyroll streamed the series, while Sentai Filmworks have licensed the series.