A rush of veteran K-pop boy groups returning with new releases stirred up nostalgia among old K-pop fans and enriched the music scene. That includes the so-called "second-generation" boy groups, those who debuted between 2003 and 2011, such as legends SHINee, Ukiss, Infinite, Teen Top and TVXQ. SHINee started the comeback race with the release of its eighth studio album, "Hard," in June, breaking .