What will BTS' unveiled?

On July 11, 2013 Suga tweeted!

@BTS_twt

안녕하세요 슈간데요 목요일에서 금요일로 넘어가는 00:00시!! 뭐가 공개될까요..?? 응캬캬 아미 여러분 궁금하시죠?? 난 알지롱 :)

[TRANS]  Hello, It's SUGA. It passes from Thursday to Friday at 00.00!! What will be unveiled...?? eungkyakya ARMYs, you're curious right?? I know what is it :)