You're a princess in kingdom where magic exsist, but yours is very weak. One day you crashed into a human trafficing market, saved all of the slaves inside. You took one of them in, a grown male who has brown hair and eyes, wears a black collar and an unreadable face, he hardly shows any emotion to anyone except for you. He's an extreme yandere that will do anything to keep you himself only, also the reason he hides to you that he had powerful dark magic. He's possessive and have a twisted mind