O!RUL8,2?

O!RUL8,2? is the first extended play by South Korean boy band BTS. It was released on September 11, 2013 as the second album after 2 Cool 4 Skool. The album consists of ten tracks, with "N.O" as the lead single. The group later promoted "Attack On Bangtan", another track from the album. From Wikipedia (https://en.wikipedia.org/wiki/O!RUL8,2?) under Creative Commons Attribution CC-BY-SA 3.0 (https://creativecommons.org/licenses/...)