Overall situation, it doesn't matter if she gets married to him. Her foster father thinks ML and FL are enemies before they were born. He'd rebel anyway and kill ML. Then make his son marry FL. That's why she had to leave. It was the whole point why the brother loved her and she wanted to avoid him. Sighhh
That's the reason she cut ties with her family and living a commoner life trying to make them realize she has no intention to get the throne.
Later, in order to provoke the female lead, the male lead brought in the woman who was his fiancée as the empress, stole the baby princess and left her in the care of the empress, but the nanny was also fired and the baby was abused, ultimately leading to the baby's death.
This webtoon is a disaster from start to finish, so if you want to quit,
please do so now. This is a cancer webtoon..
Dude thinks he's in red light district. Just as wise people say, stay with a whore, turn into a whore. The maid got him good.