The manhwa likely follows the journey of the saint as they adjust to their new life with the grand duke, maybe facing power struggles and hidden secrets along the way.
The story might focus on how the relationship between the saintess and the grand duke develops and how it shapes her destiny. There could also be elements of magic and power struggles in the backdrop.
It could be that the duke had something she needed or that she was sent on a mission to interact with him. Maybe it was to uncover a secret or gain important information.
There could be multiple explanations. Maybe it's to protect someone or achieve a greater goal. Or perhaps there's a misunderstanding that's led him to act this way.
Raeliana ended up at the Duke's likely due to a combination of factors. Maybe there was a powerful force at play, or she was drawn there by a quest for something. The complex web of the story's plotlines could be the reason.
To be a family in a manhwa often involves shared experiences, resolving conflicts together, and growing stronger as a unit. Characters might need to overcome external challenges and internal differences while maintaining a sense of unity.