EXO's Chen looks into the distance in the new countdown live poster for his 4th mini-album 'DOOR'

EXO's Chen is ready to release his 4th solo mini-album, 'DOOR,' and released a new poster.

On May 21 at midnight KST, the singer released a special countdown live event poster. In the poster, Chen is seen sitting on a chair made of books and looking into the distance.

According to the poster, Chen will be holding a countdown live event on May 28 at 5 PM KST through his official YouTube channel, ahead of his album release, on the same day at 6 PM KST.