naka_(nakamaru_ak)
Artist.
Nickname: Naka
See also
* Pixiv account: http://www.pixiv.net/member.php?id=12162425
* Twitter account: http://twitter.com/Nakamaru_ak
* Twipple photo images: http://p.twipple.jp/user/Nakamaru_ak
* Niconico Seiga account: http://seiga.nicovideo.jp/user/illust/24327347?target=illust_all