Synopsis
Ougi Oshino, a strange new student, arrives at Naoetsu Private High School and is introduced to Koyomi Araragi by their mutual friend Kanbaru Suruga, who seeks advice about a peculiar discovery. Upon inspecting the school, Ougi spots a classroom that has materialized in a previously empty space, a location that shouldn't exist. Suspecting supernatural involvement, Araragi and Ougi investigate the mystery. After being trapped inside with Ougi, Araragi realizes the room contains the memories of an event he had long forgotten.
Background
Owarimonogatari adapts the third and fourth volumes of NisiOisiN's Monogatari Series: Final Season.
