元動画： https://www.youtube.com/watch?v=cbQCnf5-dnA アキくんチャンネル1st: https://www.youtube.com/channel/UCt9qik4Z-_J-rj3bKKQCeHg2nd: https://www.youtube.com/channel/UCpnvhOIJ6BN-vPkYU9ls-Eg
http://www.nicovideo.jp/watch/sm34959621
