Artist. Formerly tagged as to tachiwa.

Japanese name: たちわに (Tachiwani)
The other name: シシネ (Shishine) or 錠シシネ (Jou Shishine) (reading is a best guess)

See also

• Pixiv account: http://www.pixiv.net/member.php?id=2996352
• Twitter account: http://twitter.com/jo_ccnet
• Twitpic account: http://twitpic.com/photos/jo_ccnet