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Ruler - Master of the Mask, Pt. 4 (Original Television Soundtrack) - Single - Album by Kei - Apple Music
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Vows made, virtues rejected in Ruler–Master of the Mask's character posters » Dramabeans Korean drama recaps
![Seoul, Korea. 08th May, 2017. So-hyun Kim, Seung-ho Yoo and Myungsoo Kim met to present their period drama Ruler: Master of the Mask in Seoul, Korea on 08th May, 2017.(China and Korea Seoul, Korea. 08th May, 2017. So-hyun Kim, Seung-ho Yoo and Myungsoo Kim met to present their period drama Ruler: Master of the Mask in Seoul, Korea on 08th May, 2017.(China and Korea](https://c8.alamy.com/comp/J3XADB/seoul-korea-08th-may-2017-so-hyun-kim-seung-ho-yoo-and-myungsoo-kim-J3XADB.jpg)