URLs

• https://www.pixiv.net/users/520553
• https://www.pixiv.net/stacc/koumekeit
• https://x.com/koumekeito
• https://x.com/i/user/102151831
• https://sketch.pixiv.net/@koumekeit
• http://mixi.jp/show_friend.pl?id=421024
• https://anidb.net/creator/1374
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=66729
• https://myanimelist.net/people/2665
• http://www7.plala.or.jp/koumekeito/
• https://vndb.org/s408
• http://plus.google.com/106033455057461403147/posts
• http://cgi32.plala.or.jp/koumekei/
• http://pub.ne.jp/koumekeito/image/user/
• http://p.twipple.jp/user/koumekeito
• http://twitpic.com/photos/koumekeito