The rumor of the "Class 3 Curse" gains notoriety with the sudden and accidental death of a student. Kouichi, desperate to know more, turns to Mei who refuses to tell him anything else. Izumi Akazawa, the head of countermeasures, begins the investigation on Class 3.

Following Mizuno's bizarre accident, the tension rises in Class 3, and Izumi is chosen as the new Class Officer without Kouichi knowing. Rumors are spreading, but no one is willing to say anything.

Mei Misaki secretly meets with her twin, Misaki Fujioka, and they spend the day together. Little do they know, that both of their lives are about to change.