--------------------------------------------------------------------------------【だらだら】サムネ作りながら同時視聴しながら… https://www.youtube.com/watch?v=GEulLfdHe-A さなちゃんねる https://www.youtube.com/channel/UCIdEIHpS0TdkqRkHL5OkLtA
http://www.nicovideo.jp/watch/sm43182422