The students caught up with Hamaoka, who was strangely at school on the day of Ugumori’s incident. He who knows the secret… reveals the truth! As a result of the truth being revealed, one student is eventually ruthlessly pushed into a corner. Then the worst choice comes to mind. Kujo and Class 3-D rise up to prevent the “worst” from happening. What kind of “face” did Ugumori show in the end? How can one face something that cannot be undone?