On June 27, SBS's 'Scarlet Heart: Ryeo' dropped an amazing picture of Seohyun, who is acting in it!

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She looks absolutely gorgeous.  The caption introduced her as the third 'Ryeo Sister,' Princess Woo Hee, who is played by Seohyun.  She looks amazing in traditional Korean attire as she holds up two swords with fighting spirit brewing under the calm of her eyes. Her gaze is definitely riveting.

You can see her act once the drama premieres on August 29!