chi_ro_(chiro_02)
Artist.
Japanese name: ち ろ (Chi Ro) or ちろ (Chiro)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=2498988
* Twitter account: http://twitter.com/chiroo16
* Twitpic account (server stopped): http://twitpic.com/photos/chiroo16