[citation needed] In May 2008, members Nami and Young Joo were selected to participate in a special unit called Color Pink, alongside Lee Hae-ri, Kang Min-kyung of Davichi, Lee Bo-ram, and Kim Yeon-ji of SeeYa, who were all part of Core Contents Media at the time.
[2] They also released a collaboration with South Korean rapper Mario, called "Hateful Love", which was performed from November to December 2008.
[3] In 2010, Black Pearl released the song "Gogossing", which was promoted for four months on Mnet's M!
They were regarded as Core Contents Media's next big group, alongside labelmates Co-ed School and T-ara.
Although Core Contents Media never made an official announcement, the group is considered effectively disbanded since 2012.