Illustration: Shigemu https://piapro.jp/shigemuhttps://twitter.com/_shigemu_Words, Music and Video: alt-H https://www.youtube.com/c/altH20http://www.nicovideo.jp/mylist/60317480https://twitter.com/alt_H20Japanese versions https://youtu.be/_Tqhawot9Qkhttp://www.nicovideo.jp/watch/sm33771990
http://www.nicovideo.jp/watch/sm35267739