Posted on my pixiv: https://www.pixiv.net/en/artworks/125517392
NicoNico: https://www.nicovideo.jp/watch/sm44461633
Used in this video
BGM
https://commons.nicovideo.jp/works/nc314745
https://commons.nicovideo.jp/works/nc180805
https://commons.nicovideo.jp/works/nc189117
https://commons.nicovideo.jp/works/nc289057
Background
https://danmaku.jp/archive/spot/s006/
https://commons.nicovideo.jp/works/nc73543
