まわる森のコロニカ (off vocal)
( mawaru mori no Colonica )
Music & Words : か研 (Kasei Lab / 火星实验室)
か研（Kasei Lab）: https://hml.ninja-web.net/
Youtube : https://www.youtube.com/channel/UCQ9Ea2yY9NWu-056Yix5CGw
niconico : https://www.nicovideo.jp/series/57353
bilibili : https://space.bilibili.com/439945850
