BTS�has started a mysterious countdown on their official website.

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With the countdown is a dark room with the door slightly cracked open to see a little bit of light piercing through.�

It is fair to speculate this countdown is related to their upcoming comeback even though nothing yet has been determined regarding the mysterious countdown.�

People who manually adjust their date and time settings have noticed that the door grows wider as you get closer to 00:00:00.

Stay tuned for more information.

BTS' album 'Love Yourself' will be released on September 18.