You're All Surrounded
You Who Came From the Stars
Secret Affair
Pinocchio
Come! Jang Bo Ri
Hotel King
High Schooler King of Life
Fated To Love You
Discovery of Love
Empress Ki
Doctor Stranger
Bad Guys
常見問題：
問：4. Q: What was Secret's debut song? 答： A: Secret's debut song was "I Want You Back," released in 2009.
問：6. Q: What is Secret's most popular song? 答： A: Secret's most popular song is "Poison," which was released in 2014 and became a huge hit in South Korea.
問：3. "Pinocchio"的音樂風格是什麼？ 答：- "Pinocchio"的音樂風格是K-pop和R&B的結合。