元動画 https://www.youtube.com/watch?v=MYgM7IZdeqI ときのそら https://www.youtube.com/channel/UCp6993wxpyDPHUpavwDFqggAZKihttps://www.youtube.com/channel/UC0TXe_LYZ4scaW2XMyi5_kw
http://www.nicovideo.jp/watch/sm36009788
