I don't get why she's upset, her dad seems to be cool about whole thing besides parts that obviously not ok
Three stones with one bird
Probably just overreacting, based on the guilt she feels about this being a "fake relationship."
She likes him, her family likes him, but in reality she's basically lying to/tricking everyone by participating in a cruel game that that could mess up this sweet guy (if he wasn't already aware of the game to begin with).