After school (After School) is a Korea's dance-pop girl music group. Plymouth Reddy, and, on January 15, 2009 single album, "New Schoolgirl", released on the debut. After school's Jung ah, is white, cast, Becca, debuted for the first time as a member of the five, soyoung in April 2009, a new Member of the YUI and digital single "Diva" deal, "released in the year activities.Since October 2009, because of this health and academic member soyoung, graduating early in November of the same year, new signings and one Member or the Reina's second single "because of you", released in the first place, for the first time, terrestrial, began announcing the name authentic. March 2010 new signings in the ridge and at the same time "Bang!"To date, the same year in June the unit group to make caramel oranges until today. December 7, 2010 "Happy Pledis 1st Album", was released.In the spirit of this new member recruitment, 2011 April 29, first Studio album was released on the VIRGIN.[1] on July 1, 2011, the member Rebecca graduated with a 1st term graduates. July 15th, 2011, the red team and the blue team, handing unit activities, 08-17-2011 Japan debut single "Bang! (Japan ver.)"To date, the Japan debut. Nov 23, 2011, Japan's second single "Diva (Japan ver.)"To date, 12/01/2011, with artists belonging to the Plymouth Reddy project album "Happy Pledis 2012 ' Love Letter '".2012 January 25, Japan third singles and albums followed by single "Because of You", released on the girls/Rambling, 2012 March 14, Japan's first Studio album, released in the year activity of "Playgirlz"