"EXO" Chen is on a comeback countdown. He announced a new song with a sensual mood.

Chen released the trailer for his fourth mini album "DOOR" through his official SNS at midnight on the 13th. He expressed the main themes of the album, "Blank" and "Stack."

It conveys a different mood with sensuous visuals. The empty and filled image is expressed as a contrasting space. Chen's facial expression was added to raise expectations.

The video begins with a lyrical guitar melody. Chen stared at the empty space with a lonely face. He folded or tore the book apart with an empty expression, revealing his change of mind.

"Door" is Chen's first new album in a year and six months. Attention is focusing on what kind of music he will release following "April and A Flower," "Dear My Dear," "Hello" and "Last Scene."

Meanwhile, Chen will release his fourth mini album "Door" on various music sites at 6 p.m. on the 28th.

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<Translated by=Meenyoung Lee>