こいつはたどころうBB

https://img.cdn.nimg.jp/s/nicovideo/thumbnails/36746743/36746743.91469248.original/r1280x720l?key=a439fe22db80f058bcd8a9f1d5d95f97a429a913e03cf53c1b4e3cfef5db6ed0#.png https://www.nicovideo.jp/watch/sm36746743