Eren Jaeger, an orphan and student at Rose Academy. Levi Rivaille, a permanent sub due to an accident to one of the teachers. Walking into class one day, young Eren notices a change in the classroom. The room seemed, cleaner. He took a seat waiting for Ms. Ral to walk in as she normally does. But to his surprise, a substitute walks in instead. "I am Mr. Rivaille your new Language Arts teacher. Due to a severe injury, Ms. Ral will not be teaching you for the rest of the year." He announces. Eren sighed, looking into Mr. Rivaille's grey eyes. After the class had ended Mr. Rivaille asked Eren to come to his classroom after school ends. Little did Eren know, that Mr. Rivaille would become more than just a teacher.