Fukudonkenjin

"Fukudonkenjin (福丼県人)" means the people living in "Fukudonken (福丼県)". Fukudonken is a holy place of donburi-mono (bowl of rice with something) in Japan. Activating this plugin, you can see some "福井県 (Fukui-ken)" strings are replaced with "福丼県" on your website. Please see also the "福丼県" official website(http://fukudon.jp/).