The OVA by itself is 6,156 yen on Blu-ray while the DVD release is 5,076 yen.
Warner Bros. Japan recently announced that the Is It Wrong To Try To Pick Up Girls In A Dungeon? will be getting a new Blu-ray box set that ties into the arrival of the new OVA for it.
Plot concept: The huge labyrinth city, Orario, is the gateway to the huge underground maze commonly known as the “Dungeon”.