No. 1 is the first studio album by the South Korean boy group Teen Top. The track " (I wanna love)" was released on February 15, 2013, as a pre-release track. The full album was released both digitally and physically on February 25, 2013 using " (Miss Right)" as the promotional track.
A repackaged edition titled No.1 Repackage Special Edition was released to thank fans for their support.
Teen Top's leader, C.A.P, contributed in writing lyrics for the song "Mr.Bang", along with Maboos and Chakun of .
The Limited Edition of No. 1 sold out within 2 days of its release through pre-orders online and offline.