According to SBS fun E, Kim Joo Hyuk and Lee Yoo Young turned into a couple after working together in the film 'Yourself and Yours' directed by Hong Sang Soo.

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An insider commented, "They do have a big age gap but their personalities get along so well that you can't even feel the age difference. They got attracted to one another during movie filming and naturally became a couple."

It's also reported that Kim Joo Hyuk and Lee Yoo Young openly enjoyed dates without minding the public eye. 

Well, it seems like we have another actor/actress couple!