Lee Jin Hyuk is ready for his solo comeback with the 6th mini-album 'NEW QUEST: JUNGLE.'

On April 16 at midnight KST, the singer rolled out the third set of concept photos for his upcoming mini-album. In the latest photos, Jin Hyuk is seen at a warehouse, holding a spanner in his hand and dressed in a denim outfit.

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

SEE ALSO: Lee Jin Hyuk reveals sharp look in 'NEW QUEST: JUNGLE' concept clip