A new commercial was recently revealed featuring the idol star wearing a crop top with skinny jeans, dancing to the catchy beat, offering a shot on camera.

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In the clip, she stops dancing and says, "What are you doing? Why not try some 'Good Day'?" as she continues to sway to the upbeat melody making sassy gestures.

Fans were also mesmerized by Na-Eun's pure yet sexy image as they commented, "Na-Eun is so pretty," "I should drink only 'Good Day' from now on because of Na-Eun," complementing the idol singer.

Meanwhile, A Pink will be greeting fans on January 12-13 at their 'PINK SPACE 2018' concert in Seoul Olympic Park.

Check out her cheerful vibe above and below!