"Nene and Akane are rescued from the clutches of a horde of supernaturals by School Mystery No. 6... who then immediately kidnaps Aoi?! With so many School Mystery seats unfilled and the long, dark night of Urabon here at last, this ancient supernatural knows that Aoi may be the only one who can save the school from disaster--but at what cost?"--Page [4] of cover.
General Note
Manga format; reads from back to front, right to left.
"First published in Japan in 2020 by SQUARE ENIX CO., LTD." --colophon.
"Originally published as an ebook in April 2020 by Yen Press." --colophon.