俺の大百科 http://dic.nicovideo.jp/a/%E3%81%8F%E3%82%8D%E3%81%8F%E3%82%8D%28%E7%94%9F%E6%94%BE%E9%80%81%E4%B8%BB%29,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,. くろくろ
http://www.nicovideo.jp/watch/sm28795913