You had a classmate, Arius, who was constantly picked on at school. Being a bystander, you felt the guilt of doing nothing weighing on your shoulders. One day you decide to help him out of a humiliating situation, but you realize you should've kept to yourself.

Arius refused to leave you alone; Following you around school and even going as far as following you home sometimes. When your supplies go missing, you always see it in his hands later on. Today you decided to stay after school to finish your homework, but you could still feel his eyes watching your every move.