I'm not kidding. I saw this on an entertainment blog this morning, and the poster said the same thing. I don't know what it is for - there is a PIP of live audience reaction in the upper corner - do the Japanese host some sort of American Idol-style talent show for animators? That would be super-fucking-too-good-for-you-western-dogs-awesome, wouldn't it?
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The top comment on YouTube for this was: "ninjas cutting onions everywhere". Now, i have to find a way to use that phrase somehow...