常見問題：
問：9. Q: What is the reason behind Song Ji-eun's departure from Secret? 答： A: Song Ji-eun left Secret in 2014 to focus on her solo career and acting.
問：10. Q: Are Secret still active as a group? 答： A: Yes, Secret is still active as a group, with the remaining members continuing to release music and participate in various activities.
問：1. SONAMOO是一個韓國女子團體嗎？ 答： 是的，SONAMOO是一個由TS Entertainment於2014年推出的六人女子團體。