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The group, who recently returned with "Fighter", showed they had a competitive spirit in 1theK's new video. The members sat down at a game to see who could slam the correct buttons the fastest, and Jooheon proved to be a strong fighter in the first round. MONSTA X make sure to joke around here and there, but it's obvious each of the boys want to win.

Check out the full competition above to see who comes out the final winner!