Oretachi ni Tsubasa wa Nai ——under the innocent sky. (俺たちに翼はない?, lit. We Don't Have Wings) is the fifth visual novel developed by Navel. Before the game's release, a prequel game named Oretachi ni Tsubasa wa nai ~Prelude~ containing bonus scenarios and events before the timeline of the game was released on 28 June, 2008. This release didin't contain hentai scenes. The limited edition of the game was released on 30 January, 2009. A standard version of the game was released on 24 April, 2009. A fandisc named Oretachi ni Tsubasa wa Nai AfterStory was released on 30 July, 2010. The game has also received several manga adaptations. An anime adaptation by the studio Nomad (studio) will start airing on April 2011.
Sky Sanctuary by Miyuki Hashimoto is used for the opening of Oretachi ni Tsubasa wa Nai ~Prelude~ while Jewelry Tears by Aki Misato is used for the opening of the full version. The opening for the fandisc AfterStory is Cross Illusion by Aki Misato.