URLs

• https://twitter.com/makiryu
• https://twitter.com/intent/user?user_id=118019011
• http://blog.livedoor.jp/makiryu1/
• http://ja.wikipedia.org/wiki/牧野竜一
• https://anidb.net/creator/6395
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=1686
• http://www7.atwiki.jp/anime_wiki/pages/1156.html
• http://www18.atwiki.jp/sakuga/pages/946.html
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=344
• http://www.geocities.jp/makiryu01/index.html