Chinese artist.
Artist name: SHIROU or "SHIROU SHIROU" (the artist writes his/her name in all caps)
Old pixiv nickname: shirou七道 (shirou qidao)
See also
- Pixiv account: http://www.pixiv.net/member.php?id=288279
- Google plus account: http://plus.google.com/u/0/105498566304578218428/posts