IU and Byun Woo-seok have really good chemistry.

Looking at the behind-the-scenes photos, IU and Byun Woo-seok have such a natural and cute vibe. While their chemistry in the drama was heart-fluttering, these playful expressions have a different kind of charm that makes them even more fun to watch. The atmosphere on set looks great, and every time behind-the-scenes photos like these are uploaded, it feels like the lingering emotions from the drama come back to life.