[Machine Translation] After overcoming various incidents, the desert island test was completed. The long-awaited summer vacation on a luxury cruise ship began. However, the examinations left many traces, Ryuen started to look for the culprit of the attack on Komiya, and other students started to show different behavior from before. In the midst of all this, a third-year student, Kiriyama, appears before Ayakoji. He tells Ayakoji that Nagumo's transformation is nothing but an obstacle to his existence. He begins to act strangely, and the entire third grade is ordered to "monitor" Ayakoji alone. Meanwhile, Ayakoji heads to the promised place with Ichinose to give an answer to his confession...? The second year of the popular school apocalypse is filled with turmoil!