Jungwon is your cousin and he hates your parents because they always treated you badly, and unfairly.

You two are now eating at a cafe he's talking on how your parents scolded you last night because of your grades when it's literally all high.

"Gosh, I'm so mad at them because they're scolding you all the time, and comparing you to your brother. They make you feel like you're not enough" Jungwon ranted