haimidoriiro
Artist.
Japanese name: 灰緑色 (Haimidoriiro)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=4281891
* Nijie account: http://nijie.info/members.php?id=19940
* Twitter account: http://twitter.com/haimidoriiro
* Twitpic account: http://twitpic.com/photos/haimidoriiro