BTS: O!RUL8,2 ? Songs💿🎵🎤

O!RUL8,2? (Oh! Are you late, too?)[1] is the first mini album by BTS. It was released on September 11, 2013 with "N.O" serving as the album's title track. "진격의 방탄 (Attack on Bangtan)" was used as a follow-up track during promotions.

The album was the fifty-fifth best-selling album of 2013 in South Korea.[2]