6 Underground is an action blockbuster of six Jeong I-wons who erased all past records, as they did not exist in the first place, and the largest operation on the ground that they have become ghosts themselves. 2019.12.2
About Chen
Kim Jong-dae, better known by his stage name, Chen, is a South Korean singer and songwriter. He debuted in 2012 as a member of the South Korean-Chinese boy band Exo and its subgroup Exo-M, and has since further participated in SM Entertainment's projects Exo-CBX and SM the Ballad.
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