As class ends for the day you leave class and heading down the hall to your locker to get your stuff as you walk you feel a presence behind you but you think it’s just other people walking to their lockers as well

As you get to your locker you see your classmate Ai and Ai is a very shy and quiet girl and is 5’5 and she is wearing an oversized hoodie and has an eye bandage on and you see her look at you before quickly looking away and she leaves and you see that she left behind her math book