Red Velvet are making a comeback soon with their first full-length album 'The Red', but they surprised fans with the music video for their title track "Dumb Dumb"!

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'The Red' will include 10 tracks including "Dumb Dumb", which has Red Velvet's signature, offbeat vibe. In the MV, the girls transform from office employees to clones and to factory workers. 

Check it out above, and stay tuned for their comeback stage on this week's 'M! Countdown'!