Toilet-bound Hanako-kun 13 - Aidalro

Little, Brown & Company - <p>Nene and Akane are rescued from the clutches of a horde of supernaturals by SchoolMystery No. 6...who then immediately kidnaps Aoi?! With so many School Mysteryseats unfilled and the long, dark night of Urabon here at last, Aoi may be the only onewho can save the school from disaster--but at what cost?</p>