KBS has blessed fans with behind-the-scene footage of its first leads kiss scene.

The 4-minute-long video shows Kim So Hyun and Yoon Doo Joon practicing hard for their first kiss scene, giggling in between takes while working hard despite of the cold weather.

The rest of the video shows more of the main cast preparing for filming and practicing with each other between takes. Yoon Doo Joon continues to crack jokes and make Kim So Hyun crack in the most serious scenes.

Check out the full clip below.


“Radio Romance” airs every Monday and Tuesday at 10:00 p.m. KST.