10 dramas/movies where it foucses on one of the lead's crush and is later revealed that the other lead actually had the crush first, or longer than let on. (So no signs of a crush were hinted at, and it was a surprise to find out about it).
Ex. FL has had a crush on the ML from school for two years, her crush is known (to the audience) and we follow it. The FL and ML may start dating. We find out in the second to last episode that the ML has had a crush on her for three years though it never indicated it before, and we thought he started falling in love with her during the drama.
Or similarly, the FL had the crush, and the ML is shown in a flashback that he has seemed to like her from a year ago, though it never is clear who had the crush first, but we still didn't know about his crush at all until later in the show, hers was still known first.