Her bio dad hasn't been mentioned, its way down the line until it's mentioned! But the black haired guy is not her bio dad.
Then who is he?
https://www.novelupdatesforum.com/threads/male-lead-is-obsessed-with-my-health-%EB%82%A8%EC%A3%BC%EA%B0%80-%EC%A0%9C-%EA%B1%B4%EA%B0%95%EC%97%90-%EC%A7%91%EC%B0%A9%ED%95%A9%EB%8B%88%EB%8B%A4.189372/page-4
Here's a link to the novel spoilers! It was answered by the user 'Rivier_Fynn' in this page.
I see. Thank you!
Idk if i just forgot but was arelyn’s bio dad mentioned before? If not, could the black hair guy be the biological dad? Also, if the duke isn’t gonna marry Mehen, I will. Someone tell me if we’ll see more of them in the future pls(づ￣ ³￣)づ