Sora no Iro, Mizu no Iro - choose a jigsaw puzzle to solve

Sora no Iro, Mizu no Iro (空の色、水の色, lit. Color of the Sky, Color of the Water), also known just as SoraMizu (そらみず), 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.