- For the 2020 girl group , see SECRET NUMBER.
"Secret Number" (비밀열쇠) is the fourth digital single by Blady. It was released on July 28, 2015.
It was the groups last release before they disbanded on October 10, 2017.[2]
Track list[]
- "Secret Number (비밀열쇠)" - 3:39
- "Secret Number (비밀열쇠) (Inst.)" - 3:39