あかりと踊ろう

https://img.cdn.nimg.jp/s/nicovideo/thumbnails/36731704/36731704.99697773.original/r1280x720l?key=1816eca6ad71fcb9a2e8f4b461f657d3bde4a6c44ff46d79b78dcf83ff5f2cf7#.png https://www.nicovideo.jp/watch/sm36731704