URLs

• http://maniax.dlsite.com/circle/profile/=/maker_id/RG03893.html
• http://ja.wikipedia.org/wiki/中村謙一郎
• https://anidb.net/creator/10227
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=957
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=849
• http://peroguritei.maid4u.jp
• http://blogs.yahoo.co.jp/peroguritei