Lee Jin Hyuk is ready to return to the music scene as a solo artist and released the tracklist teaser for his upcoming album 'NEW QUEST: JUNGLE.'

According to the tracklist released on April 18 at midnight KST, the singer's 6th mini-album includes a total of 6 tracks - "Relax," "Good Boys," "Crush," "Train Wreck," "Slay," and "Overhead."

'NEW QUEST: JUNGLE' is his upcoming sixth solo mini album, and it's slated to drop on April 23 KST.

SEE ALSO: Lee Jin Hyuk drops 'Relax' performance MV