kasutera-p
Artist. Formerly tagged as kasutera.
Artist name: kasutera (かすてら) or かすてらP (Kasutera-P)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=14456
* Twitter account: http://twitter.com/kasutera_tan
* Twitpic account: http://twitpic.com/photos/kasutera_tan
* Mixi account: http://mixi.jp/show_friend.pl?id=2701855