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: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: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:5. "Pinocchio"的主題是什麼? 答:- "Pinocchio"的主題是關於愛情中的謊言和欺騙。