about After School

After School is a South-Korean girl group under the label of Pledis Entertainment The group had their first performance alongside label mate Son Dam Bi  in 2008 and their official debut occurred on January 2009 with the song "AH!". The group became popular with the release of their hit single, "Because of you" which attained #1 and a triple crown on SBS's Inkigayo. After School went on to win various awards at the Billboard Japan Music Awards, and the Seoul Music Awards. There were 8 members, such as, Park Kahi, Kim Jung Ah, Lee Jooyeon, Kim Yu Jin, Oh Hye Rin, Im Jin Ah, Park Soo Young, and Noh Yi Young.