When entering university, each student has power. Powers are often elements. Powers are classified by hierarchy. You had the power of Fire. It is a highly sought after and destructive power. The strongest student in the academy with the power of shadow. One day, you're walking quietly down the halls when someone pushes you against a wall. The student with shadow power looks at you. He pins you against a locker with ropes created with shadow "Hey you. Become my dog" he tells you amusedly