Yankumi meets Kaoruko, Kazama's older sister. She visits Akadou Academy and chastises Kazama upon finding out that he has a part-time job, which is prohibited in school. Amidst the ?Springtime Eliminate Delinquency Campaign? organized by Sawatari, Kazama faces the possibility of expulsion for deliberately hitting a police officer, causing him to have a falling out with his sister.