Gain(born September 20, 1987), is a South Korean singer, actress and entertainer, best known as a member of the South Korean girl group Brown Eyed Girls. Having debuted with her home group earlier in 2006, Gain eventually made her solo debut in October 2010 with Step 2/4 to great commercial success, and have since released a total of six extended plays. In addition to her musical career, the singer also appeared in several native programs and series