URLs

• https://ja.wikipedia.org/wiki/井ノ上ユウ子
• https://anidb.net/creator/20612
• https://anidb.net/creator/25198
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=8115
• http://www7.atwiki.jp/anime_wiki/pages/5705.html