io_(maryann_blue)
Artist.
Japanese name: イオ (Io)
Circle name: メアリアンブルー (MaryAnn Blue)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=3133407
* Niconico account: http://www.nicovideo.jp/user/11555174
* Niconico Seiga: http://seiga.nicovideo.jp/user/illust/11555174?target=illust_all
* Privatter account: http://privatter.net/u/120olo_10
* Twitter account: http://twitter.com/120olo_10
* Twitter account (for guro stuff): http://twitter.com/105olo_10