The second time it fired, Agatha covered her ears up in advance.
Then she saw an incredible scene.
There was no endless charging work that she expected. Gigantic as the long metal pipe seemed, it was actually not as heavy as it looked like. Every shot seemed to shake the earth up. However, its base remained absolutely still, as if the pipe and the base were not related at all. The long tube was quick and accurate each time in terms of backing and resetting, and this process did not even require human control—only three of the four operators were busy working, while the commander Iron Axe was just standing aside issuing orders.
