An old war hero searches for his granddaughter and comes to a quite little place. No action here. Just family and comfort.

rena and kotonoha goes through a city somewhere Berlin infested with Nazi zombies! Although they find secrets of the zombie project and photos of people of who was involved on this, a new arrival yuno gasai assists them as they jorney to Shock factory.

actually this is a mixed series of anime 4 girls has been transported in different areas of Berlin where nazi zombies infest there. they need to escape there by killing their way to escape back to their worlds. Can they make it out alive or end up dead.