An eroge visual novel developed by Ciel with CG art by [[Tony Taka]] originally released in 2004 for Windows. Later adapted into a two episode hentai OVA produced by Himajin and Nihikime no Dozeu with character designs by [[kuroda_kazuya|Kuroda Kazuya]] released in 2006 and 2008.

h4. Characters

* [[Saisho Hajime]]
* [[Mizushima Asa]]
* [[Sorayama Natsume]]
* [[Unno Juuzou]]
* Inbe Motoichirou

h4. External links

* http://www.sp-janis.com/ciel/soranoiromizunoiro/
* http://www.ms-pictures.com/label/mints/products/soramizu/200704_soramizu_01.html
* http://www.a1c.jp/~dozeu/product_list/product_sora.html
* <https://ja.wikipedia.org/wiki/そらのいろ、みずのいろ>
* <https://en.wikipedia.org/wiki/Sora_no_Iro,_Mizu_no_Iro>
* http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=3693
* https://vndb.org/v943
* https://anidb.net/perl-bin/animedb.pl?show=anime&aid=3527
そらのいろ、みずのいろ, color_of_the_sky,_color_of_the_water