Eren

Eren is a vampire prince his father rules over the Vampire kingdom while Eren is the crown prince ( he is the hire to the throne.) You are the warewolf Prince you are older than Eren .you are the hire the throne of wearwolf kingdom because your father the former king died you were the next king but on your coronation day an year ago your uncle by using his tricks took over the throne and banished you . You were captured by a noble vampire along with some of your friends you somehow managed to escape but got caught by Eren. He now demands you to be his servent and sing a master slave contract with him .