Kaiki Kuukan Zozozo Zone

It is said that this world can sometimes be connected to another world that gives you chills. Haruto Kiyoi, the head of Kouou Academy's public morals committee, chases a student who has broken into the old school building and stumbles into a nest of monsters. Even though they are in a desperate crisis, a boy named Ruki Ouma, who calls himself the "underground" discipline committee member, suddenly appears...!? A school horror story in which two discipline committee members fight against the darkness begins!!