This was the first album to release after the return of Kim Hyun-joong (participating in Boys Over Flowers during previous album promotions,) and Park Jung-min (who was previously participating in musical, Grease.)[3][4] and SS501's project group and unit album, U R Man,[5][2]
The album consists of a solo tracks for each member that showcase each member's individual talents and charisma: Kim Hyun-joong's edgy R&B dance track "Please Be Nice To Me"; Heo Young-saeng's self-written ballad song "Nameless Memory"; Kim Kyu-jong's light and energetic urban pop song "Wuss Up" featuring Taewan a.k.a. C-Luv & Star Trak; Park Jung-min's mid-tempo ballad "If You Cannot" featuring Ji-sun; and Kim Hyung-jun's sexy dance-song "Hey G". Aside from solo songs, the album also included the group song "I Won't Be A Coward" at the end, which was previously included on the Japan Version of U R Man album. Moreover, SS501 shot a sensational 20-minute blockbuster-style music video that brings the songs and members together for a thrilling musical story in which Kim Hyun-joong, Park Jung-min, and Kim Kyu-jong play rival killers.[6]
In August 2009, SS501 released a limited and deluxe version of the album in Taiwan.[7][8]
