▼本編（訂正2019/02/08） https://www.youtube.com/watch?v=KevpxDOC_x0 ▼叶 https://www.youtube.com/channel/UCspv01oxUFf_MTSipURRhkA ▼葛葉 https://www.youtube.com/channel/UCSFCh5NL4qXrAy9u-u2lX3g ▼本間ひまわり https://www.youtube.com/channel/UC0g1AE0DOjBYnLhkgoRWN1w
http://www.nicovideo.jp/watch/sm40134644
