Artist.

Artist name: Roki or 悪いお友達Roki (Warui Otomodachi Roki)

h4.See also

* Pixiv account: http://www.pixiv.net/member.php?id=468338
* Tinami account: http://www.tinami.com/creator/profile/22979
* Nijie account: http://nijie.info/members.php?id=11487
* Nico Nico Douga account: http://www.nicovideo.jp/user/7851517
* Nico Nico Seiga images: http://seiga.nicovideo.jp/user/illust/7851517?target=illust_all 
* Stickam account: http://www.stickam.jp/profile/rokio360
* Twitter account: http://twitter.com/Roki360
* Twitpic account: http://twitpic.com/photos/Roki360
* Twitvideo account: http://twitvideo.jp/contents/lists/Roki360
roki (hirokix)