B2ST�finished up their "Good Luck" promotions through a special concert!

The boys held a 'B2ST Unplugged Concert' to 500 lucky fans on the 27th. The boys newly edited their songs to thank their fans. 100,000 fans submitted an entry to win a seat at the concert, and B2ST personally picked 500 of the entries to come see them at their live concert.

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The boys kicked off with "Lightless" and sang many songs, including "Midnight", "I'm Sorry", "The Fact", and "Fiction". Each member also picked a song fans requested and sang it live on the spot with the other members matching the harmony for them.