2PM is back with "Promise (I'll Be)," and you may want to have a pillow nearby to swoon onto because the boys are sexy, sexy, sexy in this new MV!
SEE ALSO: 2PM wrap up their '6NIGHTS' concert
They are flirty and play it rough in the MV, the sound sweet, dramatic, and melancholy. Looks like not all the men are getting as lucky as the others, though! This was definitely worth the wait. Check it out above!