AOA become the sexy new students at a university where they proceed to cheerlead their butts off and play lacrosse!

The girls dropped a MV trailer for "Heart Attack," which shows a lot more of the sporty, fun concept they're going for.  Looking sexy in cheerleading outfits, they shamelessly show off their sexy curves with the dance moves that emphasize their S-line.

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In the locker room, they show off their incredible flexibility as they teasingly change into uniforms.  You can also check out the highlight medley below!