It seems like one of the reasons for the NGs from SBS Wed-Thurs drama 'My Lovely Girl' was because the cast were having too much fun with each other!

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Despite their 12-year age difference, the Jung-Jung couple (Rain and f(x)'s Krystal) prove that age is just a number with their chemistry shown by their puppy-like smiles and laughter when they're around each other. The photo on the bottom also shows Cha Ye Ryun breaking her character's cold image with her aegyo to win the heart of Hyun Wook (Rain).

Stay tuned for another episode this Wednesday!