my first video on niconico.media used: https://www.bilibili.com/video/av357236311/https://www.bilibili.com/video/av908308208/https://www.bilibili.com/video/BV1q44y1w7r9
http://www.nicovideo.jp/watch/sm43685798
![[YTPMV]Arona Reflection](https://nicovideo.cdn.nimg.jp/thumbnails/43685798/43685798.35864516)