Suddenly is the debut album by Korean duo male group J-Walk, released on 21 March 2002. According to Recording Industry Association of Korea, as of the end of December 2002, the album has sold a cumulative total of 119,317 copies.[1] This album achieved great success so they won SBS Gayo Daejeon Popularity Award with former Sechs Kies member Kang Sunghun in 2002.