Artist.

Artist names: 笠 (Kasa) or "kas"
Twitter nickname: 伊蔵
Old name: 笠縫 隼人 (Kasanui Hayato) (reading is a best guess)
Circle & site name: 空しき流れ (Munashiki Nagare)
Old circle & site name: そして僕は途方に暮れる

h4.See also

* Pixiv account: http://www.pixiv.net/member.php?id=4855
* Twitter account: http://twitter.com/izomori
* Twitpic account: http://twitpic.com/photos/izomori
* Circle.ms: http://c10004185.circle.ms/oc/CircleProfile.aspx
* The Doujinshi & Manga Lexicon: http://doujinshi.mugimugi.org/browse/circle/11191/ 
* Home page (dead): http://osaka.cool.ne.jp/kasanui/
* Blog (empty): http://kasanui.blog76.fc2.com/

kasanui