The End of the World Is Coming: My Red Alert Base

The apocalypse came quietly, and Takagi was shocked to find that the Red Alert Base he had loved since childhood was also brought out with the advent of the apocalypse. But what is the situation with this system? Various functions are missing. Where are the Apocalypse submarines? Even if you give me an army soldier! This is a work that seems to be popular among everyone, but it is a work that constantly compares with technology and then beats the world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.