Korean pop groups began gaining popularity and media exposure in Japan last year, singing and dancing on TV shows and appearing in commercials.

Fluent in Japanese, the so-called K-pop phenomenons go out of their way to impress fans with their dedication to the language and their high regard for the market. And being young, sexy and cute are definite pluses in the Japanese market.

No matter how big a supporter of Japan Lady Gaga is, it is hard to imagine her releasing an album with a significant number of Japanese songs.