URLs

• http://doujinshi.mugimugi.org/browse/author/101047/Watanuki-Nao/
• http://anidb.net/perl-bin/animedb.pl?show=creatortext&relid=3032
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=73955
• http://www7.atwiki.jp/anime_wiki/pages/12265.html
• http://www.game-minzoku.jp/creatersearch/list/index/creater_id/852
• http://park7.wakwak.com/~cascade/