Royal Prisoner (OutDated)

You are a viscountess who is also last in line in your duchy with your twin, your other two siblings already married off and you are also a witch but you only just found out about it. In Ditha Kingdom a witch has a specific power that they are known for and with you just learning about being a witch, you have to find out which power is yours. The only problem? Witches are known as being evil in Ditha Kingdom and put to death, but the Grand Duke that is loyal to The King has found a use for you, based on your power, and has decided to keep you prisoner. Will you end up staying as his prisoner to save your family? Will you try to escape and rescue your family? Will you end up falling for the Grand Duke and trying to find a way to work together to free your family?