They never show up together in kiss me liar and in the side stories of kiss me liar. They only showed up separately. Though their kids did make appearances in the side stories
Jaekyung is just so fucking stupid. His idiotic ass probably already has feelings for kim Dan but he doesn't know how to address or identity those feelings at all. Plus he's a grade A jerk
Wait does Yeongwoon have a stutter? I can’t help but notice that in most of his dialogues he stutters sometimes