Toilet-bound Hanako-kun, Vol. 13

Nene and Akane are rescued from the clutches of a horde of supernaturals bySchoolMystery No. 6...who then immediately kidnaps Aoi?! With so many SchoolMysteryseats unfilled and the long, dark night of Urabon here at last, Aoimay be the only onewho can save the school from disaster--but at what cost?