予防■飛君 https://youtu.be/j0AIDDl2eUI 全 https://www.nicovideo.jp/series/333630?ref=pc_watch_description_series 鳥 https://twitter.com/sealscapula 絵 https://pixiv.net/users/84522788
http://www.nicovideo.jp/watch/sm40986794
