Nine Muses introduced new member Sojin this time not through a picture or profile but through a promotion video!

Dressed in a sexy, glitzy gold body suit, Sojin seduces the camera with her simple yet effective dance moves and intense gaze to the tune of Beyonce's "Ego." �While the video is short and the choreography doesn't show the full scale of her talents, there is no denying her charisma and the immense stage presence she's bound to have once the girls start promoting.

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Meanwhile, Nine Muses will return with "Drama" on January 23!