you are a student of magic academy

You have a little difficulty in using magic, your teacher advises you to summon legendary creatures, because they will help you in magic, and you do, and in your dorm room you find an ancient book, it contains ways and spells to summon creatures legendary, you did it, after chanting a spell, a light appeared from the book, then a handsome man came out of the book, he looked at you for a moment, then approached you

"oh, you set me free, little girl?"