In the drama, he is acting as Sung YiGyum, a Joseon official who was chosen to be a royal secret inspector after being caught gambling. With Hong DaIn (Kwon NaRa) and Park ChunSam (Lee YiKyung), they go on several investigations across the country.The actor agency - Management LeeSang - released a lot of beautiful behind-the-scenes pictures of the actor. Among them, some caught the attention of fans as they look like aesthetic paintings. The pictures look amazing with the colorful traditional clothes, natural backgrounds, and of course handsome Kim MyungSoo.Have a look at some of them below.This week (Jan. 19), the drama reached its best-ever ratings at 11.6% and many are looking forward to the next episodes.Do you also like these pictures?  The 3 Current K-Dramas That Keep On Increasing Ratings KDRAMA STORIES|Jan 19, 2021 Kim MyungSoo Shows His Hard Work To Build Muscles On His YouTube Channel KDRAMA STORIES|Jan 13, 2021 Is Kim MyungSoo In A Picture Or Painting On The Set Of  Royal Secret Agent    - 73Is Kim MyungSoo In A Picture Or Painting On The Set Of  Royal Secret Agent    - 75Is Kim MyungSoo In A Picture Or Painting On The Set Of  Royal Secret Agent    - 22Is Kim MyungSoo In A Picture Or Painting On The Set Of  Royal Secret Agent    - 38Is Kim MyungSoo In A Picture Or Painting On The Set Of  Royal Secret Agent    - 5Is Kim MyungSoo In A Picture Or Painting On The Set Of  Royal Secret Agent    - 48Is Kim MyungSoo In A Picture Or Painting On The Set Of  Royal Secret Agent    - 11Is Kim MyungSoo In A Picture Or Painting On The Set Of  Royal Secret Agent    - 45Is Kim MyungSoo In A Picture Or Painting On The Set Of  Royal Secret Agent    - 22