常見問題：
問：2. Q: How many members are there in Secret? 答： A: Secret originally had five members, but now consists of only four members after Song Ji-eun's departure.
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：Q1: What is the meaning of the acronym "GOD" in the context of Korean entertainment? 答：A1: In Korean entertainment, "GOD" refers to a popular boy band from the late 90s and early 2000s, known for their catchy songs and synchronized dance moves.