Accused of murdering twelve people, Kyousuke Kamiya is forced to attend Purgatorium Remedial Academy. The Academy looks like a normal high school…-except for the fact that all of his classmates are murderers. His mistaken identity of the “Warehouse Butcher – Mass Murderer of Twelve” quickly becomes known around the establishment and he gains the attention of Renko Hikawa, a seemly friendly girl…who wears a gas mask.
- Volume 1 – Murderers and ADEADlescence
- Volume 2 – Murderer Princess and Open-Jail School