They began promotions for Special Album on KBS Music Bank, promoting two songs from the album, "Couple" (커플) and "Letting You Go" (너를 보내며).
Mereka memulai promosi untuk Special Album di KBS Music Bank, mempromosikan dua lagu dari album tersebut yaitu "Couple" (커플) dan "Letting You Go" (너를 보내며).