SEE ALSO: Actor Byun Woo Seok cutely overwhelmed by the sheer number of fans who showed up to see him at the 'Jeonju International Film Festival'

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Oh Yeon Seo took on the trendy 'denim-on-denim styling' concept and kept her expressions pretty blue as well with her stoic poses, making ordinary denim look chic.

Oh Yeon Seo shared her determination to do her best for her drama 'Jang Bo Ri Is Here!', "I play the role of Jang Bo Ri in the drama 'Jang Bo Ri Is Here!'. I feel very lucky to have the title role. Since it is a one-in-a-lifetime opportunity, I only think that I have to do well no matter what."

Catch the fruit of Oh Yeon Seo's labor on her weekend drama 'Jang Bo Ri Is Here!'!