Original NND URLs:
http://www.nicovideo.jp/watch/sm3344792
http://www.nicovideo.jp/watch/sm3345195
http://www.nicovideo.jp/watch/sm3345392
http://www.nicovideo.jp/watch/sm3345775
http://www.nicovideo.jp/watch/sm3374431
http://www.nicovideo.jp/watch/sm3537676
http://www.nicovideo.jp/watch/sm3537759
http://www.nicovideo.jp/watch/sm3537737
http://www.nicovideo.jp/watch/sm5492222
http://www.nicovideo.jp/watch/sm5492302
