Mecha Under the Afterglow of Doomsday

The core of hard science fiction, the skin of soft science fiction A story about humans using mechas to deal with the incoming monsters. A picture of a young man growing up. An epic story of mankind's voyage to the stars. Countless battles, countless choices, what is the most cherished thing in our hearts. There are no supernatural powers, no cultivation, no systems, and no martial arts. It's science fiction. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.