MONSTA X have dropped a piece of their 'Protocol Terminal'!

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The group revealed a puzzle piece of their concept for their comeback album. As previously revealed in their schedule, MONSTA X fans will have to put the pieces together for a complete picture. 

MONSTA X are dropping another piece on October 19, and after that, fans can expect member teaser images until their comeback on November 7 KST. Stay tuned for more!