Original : https://youtu.be/RqCb55Cpbk8?si=RWxJh-kiy2EM7k3cvo. よーぐると https://x.com/4grtomix. 四葉 https://x.com/yotsuha_sing illust. ねろこ https://x.com/yanangi10
http://www.nicovideo.jp/watch/sm44351014
