Ferlyn, Elaine and Tasha underwent two years of intensive training in South Korea and during late 2011, Elaine Yuki had dropped out of the group due to medical reasons and also because the training was too tough.
Ferlyn, Elaine dan Tasha menjalani dua tahun pelatihan intensif di Korea Selatan dan pada akhir 2011, Elaine Yuki keluar dari grup vokal tersebut karena alasan kesehatan dan juga karena pelatihannya terlalu padat.