100%�definitely had fans' hearts beating a little faster as they release their second MV teaser for their title track "Beat" (or "Heart Is Racing")!

The last teaser video hinted at the thriller-horror theme coming up with an encounter with a mysterious woman. But this time around, we get to see all the members and their new looks, as well as bit of the choreo. However, we're once again reminded that there lies a slightly frightening MV to come towards the end.

100% will make their comeback on 'M! Countdown' tonight ahead of their second mini album release on the 17th! But in the meantime, check out the teaser above!

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