URLs

• https://twitter.com/ikuto_yamashita
• https://twitter.com/intent/user?user_id=378427670
• https://en.wikipedia.org/wiki/Ikuto_Yamashita
• https://ja.wikipedia.org/wiki/山下いくと
• https://anidb.net/creator/6769
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=3734
• http://www7.atwiki.jp/anime_wiki/pages/43.html
• http://wiki.evageeks.org/Ikuto_Yamashita
• http://evangelion.wikia.com/wiki/Ikuto_Yamashita
• https://www.doujinshi.org/browse/author/1242/Yamashita-Ikuto