声の音源はSymphonic Choirs Virtual Instrumentです<br>アレンジ曲<br><span style="color: #1b95e0;"><a href="https://www.nicovideo.jp/my/mylist/#/68048635" target="_blank" rel="noopener nofollow">https://www.nicovideo.jp/my/mylist/#/68048635</a></span><br>オリジナル曲<br><span style="color: #1b95e0;"><a href="https://www.nicovideo.jp/my/mylist/#/68048485" target="_blank" rel="noopener nofollow">https://www.nicovideo.jp/my/mylist/#/68048485</a></span>