Related Information for Secret Secret (시크릿) is a TS Entertainment 4-member girl group formed in South Korea in 2009. Members of the group are: (전효성)Hyosung/Jeon Hyo Seong (leader), (한선화)Han Sun Hwa, (송지은)Song Ji Eun (송지은) and rapper (정하나)Jung Hana (Zinger).Secret was first introduced through a documentary program titled Secret Story which aired on the cable channel Mnet. The program chronicled their debut process and aired their invitation only debut show case which to.. read more