After making a successful comeback with their second mini-album, girl group After School made their first radio appearance on KBS 2FM Seo Kyung Seok music show as a 7 member group! The girls sang their title track Because Of You live on the radio, as well as a few other songs, showing us fans a different side of them. Enjoy the videos! credit: afterschoolcraze So do you prefer the new 7 member girl group or the original 6?