HyunA - Run & Run (Intro)
A⁺ (pronounced as A Plus) is the fourth mini album by HyunA of 4minute. It was released on August 21, 2015 with "Roll Deep" serving as the album's title track.
A special edition was released in Taiwan on September 22, 2015. It features the original album and 4 tracks from A Talk.
ReleasedAug 21, 2015