Set in the Onechanbara universe and taking place at the prestigious “Kirisaku High School” (known for its balanced curriculum of sports and academics), this is a story of survival: five students cut off from the outside world and surrounded by a seemingly endless flood of ravening zombie hordes. Find the source of the undead infestation, annihilate them with overpowering weaponry and fashionable undergarments, and put an end to this crisis.