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
https://www.pixiv.net/users/4855
https://www.pixiv.net/stacc/kas
https://twitter.com/izomori
https://twitter.com/intent/user?user_id=186671254
https://sketch.pixiv.net/@kas
https://www.tinami.com/creator/profile/539
http://kasanui.blog.fc2.com
http://c10004185.circle.ms/oc/CircleProfile.aspx
http://c10039123.circle.ms/oc/CircleProfile.aspx
http://doujinshi.mugimugi.org/browse/circle/11191/
http://kkasanui.blog.fc2.com
http://twitpic.com/photos/izomori
