This is kind of disturbing honestly. In both lives she was adopted and lived as their younger sibling, suddenly they say she should marry the eldest??
She was not adopted she was sponsored
According to novel/manhwa in their world, marriage is always end goal for children who are sponsored/adopted as it is a way to absorb/claim the child’s power/ability into their bloodline
This is kind of disturbing honestly. In both lives she was adopted and lived as their younger sibling, suddenly they say she should marry the eldest??