Byul dear, if only you knew... That's not the whole story. Your dad literally fucked up from the start up to now. He never learned wtf! I really can't stomach justifying Dojin because from the start, Hyesung is the victim. Some still hate Hyesung's saying she's so dramatic, blah blah blah. Like, leave theeeeeem.
The Alpha really just do what he wanted, huh? I'm talking about Dojin. How he's still in-touch with Hyesung's mom when the poor omega hyperventilated upon seeing her. Will that reaction be enough to cut ties? You saw your partner crumble in the sight of his so-called family, and you still meet her? TF?
I think the logic here is, since the top is not human, he can basically manipulate the bottom. Look at what he did on the bottom on the latest chapters. He injected aphrodisiac, and used it on the bottom. Since bottom is strong-willed, he needs some ways to break that wall. And that is, using his powers to fuck up (literally and figuratively) the bottom.
The thing is, Byul really did nothing wrong. He was there at the club because the other kids literally begged on him lmao. And one more thing, I love Hyesung's gentle parenting. That's how it should be. Ask you child what's wrong, do not reprimand them, but make sure you tell them to not do it again.