Three months have passed since the events of the endless mystical “Room of Cancellation.” Kazuki Hoshino’s precious everyday life has returned to normal—if you don’t count the appearance of a new friend, Maria Otonasi, the only person in his circle who knows about the boxes.
The “Golden Week” is about to begin—a streak of national holidays—and all the students are looking forward to a long weekend. But unexpectedly, he starts noticing memory gaps in himself, and with consistently negative consequences…