The whole "clark kent" trope is always annoying. But the moment the FL starts actively going for both sides (or better two guys) is kind of a let down.
So, she was okay with kissing some random dude, but not the one she likes?
I‘m not even surprised, after she instantly went to a mixer because of valentines day.
FMC is hiding her feelings the whole time and people still call the MC dense.
You need to stop always blaming the guy, just because he is the MC of the story.