A.KOR's talented vocalist Jiyoung may be all charisma on stage, but she softened it up for a recent cover of Hyorin's "You Make Me Go Crazy," which was part of the OST for drama 'The Sun of My Master.'

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She captures the sad emotions of this love song as she wanders the nighttime or stops for a cup of coffee, all the while looking appropriately forlorn and deep in thought. �

Check out her skillful rendition above! �Looks like she'll be getting OST requests soon.