[Music Core] Secret - I'm In Love

常見問題：

問：1. Q: What is Secret?
答： A: Secret is a South Korean girl group formed by TS Entertainment in 2009.

問：4. Q: What was Secret's debut song?
答： A: Secret's debut song was "I Want You Back," released in 2009.

問：7. Q: Has Secret released any albums?
答： A: Yes, Secret has released several albums, including "Moving in Secret," "Secret Time of the Day," and "Letter from Secret."