Adorable Girl's Day's Hyeri shed her idol image to attend what appears to be an after office party in two new CFs for a hangover cure--or actually, a hangover prevention measure!

In a 30 second and 15 second version of the product, Hyeri parties, rocks out, and has complete fun with her friends as they eat and drink at a restaurant, then head over to the karaoke room for a second round!

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However, she's full of regret the next day as she's hit--and hit hard--by a hangover, which is why she cutely tells the audience they should take 'Fresh Hwan' before drinking to prevent the aftereffects.�

Check out her aegyo above.