Artist.

Circle: チーム☆ギガドリル
Circle member: "龍之介":[/artist/show/26107], "がうぅ!?":[/artist/show/42874], "緑色恐竜":http://www.pixiv.net/member.php?id=316158

h4. See also

* Pixiv account: http://www.pixiv.net/member.php?id=156220
* Circle home page: http://gigadrill.shichihuku.com/
* Circle profile: http://c10017464.circle.ms/oc/CircleProfile.aspx
yomyom