The naked body of the teacher at school is the "blackboard" for a graffiti class meeting. (Shiina Yuna JUR-419)

My body is a blackboard—. It all started when I reprimanded a student in class. He had a high sense of pride and therefore hated me. One day, when the students called me to their room, I was violated. Not just violated, but 'doodled' on my body like a blackboard… This happened every day, even during class and after school, and gradually I began to awaken to the pleasure of being defiled—.