Japan uploaded another of their Ponies the Anthology ripoffs a few days ago and the humor in this one looks to be a bit more comprehensible.
http://www.nicovideo.jp/watch/sm29490943
For those of you who are squeamish about making a Nico account just to watch this video, here is a login-free alternative (though you won’t be able to post comments).
http://www.mmcafe.com/nico.html#http://www.nicovideo.jp/watch/sm29490943