Kojimachi-Yousan-kan (麹町養蚕館) is a doujin music group. Their most well-known member is Paraoka, a doujin music producer; they also self-publish under the label "Koujimachi Ongen" (麹町音源).
麹町養蚕館
Albums CD 2006 Japan
Album, Stereo
Albums CD 2007 Japan
Albums CD 2009 Japan
Albums CDr 2010 Japan
Albums CDr 2012 Japan
