Artist.

Japanese name: 胡蝶柑 (reading is given as こちょうか, Kochouka. The artist uses this spelling: "kotyouka")
Old name: 胡蝶花 (Kochouka)
Site name: 黒陽館 (kokuyoukan)
Circle name: 絶頂おもらし帝国 (Zecchou Omorashi Teikoku)

See also

• Blog: http://kokuyoukan.seesaa.net/
• Pixiv account: http://www.pixiv.net/member.php?id=168910
• Nijie account: http://nijie.info/members.php?id=9626
• Imgis account: http://imagis.jp/user/3708
• Drawr account: http://drawr.net/tes2008
• Niconico account: http://www.nicovideo.jp/user/5143188
• Niconico Seiga: http://seiga.nicovideo.jp/user/illust/5143188?target=illust_all
• Stickam account: http://www.stickam.jp/profile/kotyouka
• Ustream account: http://www.ustream.tv/user/koyouka
• Twitter account: http://twitter.com/kotyouka2008
• Twipple photo images: http://p.twipple.jp/user/kotyouka2008
• Twitpic account: http://twitpic.com/photos/kotyouka2008
• Circle.ms: http://c10281781.circle.ms/oc/CircleProfile.aspx