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