Secret: Act 2

"Secret: Act 2" is the first single of Secret. It was released on October 18th, 2020 with "Dumhdurum" serving as the title track.
== Tracklist ==
# Apink - Dumhdurum     3:28
== Playlist ==
The album's playlist can be found under https://open.spotify.com/playlist/2RPIl6GnrXffQQvOv4KBE8?si=5582f54029e14e97.
== M/V ==
The title track's music video can be found https://www.youtube.com/watch?v=WqzTRK5GPWQ.