URLs

• https://twitter.com/HACCAN_senshu
• https://twitter.com/intent/user?user_id=1732806672400392192
• http://doujinshi.mugimugi.org/browse/author/635/HACCAN/
• http://ja.wikipedia.org/wiki/HACCAN
• https://sites.google.com/view/haccanyucca/?pli=1
• http://www1.odn.ne.jp/haccan/
• http://haccan.tripod.com