After School is a South Korean girl group formed by Pledis Entertainment in 2009.
They are the first group to debut with a unique admissions and graduation concept
in Korea, where members are added or withdrawn in a “natural” manner. The band
currently consists of 8 members. Former member Soyoung withdrew from the group
in fall 2009 and Bekah officially graduated from the group in July 2011.
After School 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 No. 1 and a triple crown on SBS's Inkigayo.