 Sora no Iro, Mizu no Iro

, also known just as , is a Japanese eroge visual novel game, originally released by Ciel on 25 June 2004, which was adapted into an adult anime, released as an OVA and produced by Himajin, its first episode being published on 28 July 2006, and second episode on 27 June 2008.The story revolves around two high school girls.