元動画 https://www.youtube.com/watch?v=gQl-Hqk8tEw&t=2774s 文野環 https://www.youtube.com/channel/UCBiqkFJljoxAj10SoP2w2Cg/videos 因幡はねる https://www.youtube.com/channel/UC0Owc36U9lOyi9Gx9Ic-4qg
http://www.nicovideo.jp/watch/sm39627968
