Hyunseung�is ready to all out for his solo debut, dancing his heart out in this dance version teaser for his title track!�

He cranked up the sexy factor with his steamy scenes with actress Hwang Seung Un in the other teaser yesterday, but today he's keeping it sexy with his dance moves!

As mentioned earlier, "You're the First" is a hip-hop dance number composed and written by�Black Eyed Pilsung�with a rap featuring by famous rapper�Giriboy.

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