She isn't adopted, she is marrying into the family so she is the daughter-in-law until she becomes of age and she will leave the family, which would be unlikely if her husband to be is the ml
She isn't adopted, she is marrying into the family so she is the daughter-in-law until she becomes of age and she will leave the family, which would be unlikely if her husband to be is the ml Torabunbun
Bland already, I was hoping her sister would be part of the story as well, but its just another cliche royal family adoption story