"Top Secret" is the debut solo single album by Jun Hyo Seong of Secret. It was released on May 12, 2014 with "Good-Night Kiss" used to promote the single.
Track list
- "Don't Know Women (여자를 몰라)" (feat. J'Kyun)
- "Good-Night Kiss"
- "I Hate Night Time (밤이 싫어요)"