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)
https://www.pixiv.net/users/168910
https://www.pixiv.net/stacc/tes2008
https://twitter.com/kotyouka2008
https://twitter.com/intent/user?user_id=200409366
https://seiga.nicovideo.jp/user/illust/5143188
https://www.nicovideo.jp/user/5143188
https://nijie.info/members.php?id=9626
https://yt7kidwb.fanbox.cc
https://sketch.pixiv.net/@tes2008
http://www.stickam.jp/profile/kotyouka
http://c10281780.circle.ms/oc/CircleProfile.aspx
http://c10281781.circle.ms/oc/CircleProfile.aspx
http://www.doujinshi.org/browse/circle/70269/
http://imagis.jp/user/3708
http://www.ustream.tv/user/koyouka
http://p.twipple.jp/user/kotyouka2008
http://twitpic.com/photos/kotyouka2008
http://yfrog.com/user/kotyouka2008/photos
