전효성 has signed an exclusive contract with Major Nine, marking a new beginning in her career. She debuted in 2009 as a member of the group Secret and has since explored various fields such as acting and radio DJing. With the support of her new agency, 전효성 is expected to engage in more diverse activities. | 전효성 has signed an exclusive contract with Major Nine, marking a new beginning in her career. She debuted in 2009 as a member of the group Secret and has since explored various fields such as acting and radio DJing. With the support of her new agency, 전효성 is expected to engage in more diverse activities.