Female Chinese artist.
Sometimes tags characters with romanized names and plain Hiragana, which may erroneously cause the tag parser to think they're marked as "original".

Hanzi name: 阿尔 (Al, アル)
Old pixiv nickname: Ahr

See also

• Pixiv account: http://www.pixiv.net/member.php?id=6926366
• Siba weibo miniblog: http://www.weibo.com/u/3634860400