Shimohei Joutarou reviews the early clues uncovered at the academy and turns his attention to Mitsuki and Minami, whose hidden activities have drawn his notice. While examining records of Mahiru’s sudden academic progress under her sister’s guidance, he identifies further signs of interference by the Classics instructor Kuji Hinako. With his responsibilities clear, Joutarou begins implementing measured steps to steer the students back toward proper conduct and renewed focus on their studies.