>>2499051well, the initial MV was nothing like this, but this video was a "bonus video" alternate to the mv. groups tend to do gimmicks for these sorts of videos. for a while, the fad was to do it in "kigurumis" (animal onesies/pajamas)
that said, korea does take a lot of elements from j-pop idol groups. but this shouldn't come as a surprise to anyone, as the import japanese idols to join their korean idol group
