Both are actors in one series with one being the veteran and the other being the newbie. They both have an attraction to eachother after working together. The actors in real life have an age gap too.
They have the same director which is Hwang Da Seul and the cinematography is similar. There are many aesthetic looking shots similar to Where Your Eyes Linger. The overall colors is similar especially in the kissing scene where there is a sunset.

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