URLs

• https://www.pixiv.net/users/10337
• https://www.pixiv.net/stacc/ka2
• https://twitter.com/atelier_BLUE
• https://twitter.com/intent/user?user_id=214894673
• https://fantia.jp/fanclubs/477420
• https://seiga.nicovideo.jp/user/illust/3747918
• https://www.nicovideo.jp/user/3747918
• https://ka2.fanbox.cc
• https://sketch.pixiv.net/@ka2
• https://www.tinami.com/creator/profile/1525
• http://mixi.jp/show_friend.pl?id=16145956
• http://www.amazon.co.jp/s/search-alias=books-jp&field-author=克+優希
• http://www.doujinshi.org/browse/circle/18629/
• http://doujinshi.mugimugi.org/browse/circle/18629/
• http://green.ribbon.to/~ka2/HP/
• http://green.ribbon.to/~ka2/HP/top.html
• http://ka2.g.ribbon.to/HP/
• http://www.asahi-net.or.jp/~zy8i-kg/
• http://p.twipple.jp/user/atelier_BLUE
• http://twitpic.com/photos/atelier_BLUE