Artist.

Name (1): 伊東 G太郎 (Itou G-tarou)
Name (2): ジーク (GK or Jiiku)

h4.See also

* Pixiv account: http://www.pixiv.net/member.php?id=19754049
* Twitter account: http://twitter.com/gk_gtaro2200

itou g-tarou