beta
I know y'all don't wanna hear it, but let's have some perspective.
From her point of view, he is rebuffing her because he's mad that she dumped him. For all she knows, he's been seeking her out since they broke up, and seeing as nobody at school knows that he is hanging out with Siwon, it makes sense that she would think he was looking for her when he was coming to her class to look for Siwon. It's typical high school drama.
Y'all should realize that the shame and hate you are putting out their is a reflection of your own. It's just not healthy, babes.