Wednesday, March 20, 2019 
Block B's BASTARZ have revealed a teaser image for 'I'm a Mess'.
P.O, U-KWON, and B-BOMB are returning with their 3rd mini album, and the 3 Block B members wrote and composed all tracks in the album themselves. The Block B subunit released their last comeback song 2 years and 5 months ago.
BASTARZ' "I'm a Mess" drops on March 28 KST.
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I'm so freaking excited for this comeback! It's been too long.