kouki_kuu
Artist.
Japanese name: こうき くう
See also
* Home page: http://kou-k.sakura.ne.jp/
* Pixiv account: http://www.pixiv.net/member.php?id=290919
* Nijie account: http://nijie.info/members.php?id=26581
* Nico Nico Seiga images: http://seiga.nicovideo.jp/user/illust/1078878