 After a year in limbo with no broadcasting slot, her first pre-produced drama "The Musical" finally aired in September 2011.Ku next starred as a female pilot in the SBS series "Take Care of Us, Captain", followed by "Absolute Darling", the Taiwanese drama adaptation of the manga "Absolute Boyfriend".After two years break from acting career, Ku appears in MBC channel's two-part documentary drama "Heo Nanseolheon".