SECRET's Hyosung proved to be sexy even in casual clothes as she danced to her debut title track, "Good-night Kiss." �

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Now you can watch the entire fun and sexy choreography as Hyosung and her back-up dancers show off their moves and their curves to the beat of the catchy song. �Although it was just a practice, she did not refrain from seducing the camera with her charismatic gazes and mysterious smirks, so check out the video above!