Space Development from Armor to Battleships

Lu Bei traveled to a parallel world where a force called the Red Empire declared war on the world. With in-depth understanding, the protagonist discovers that things are far from that simple... From mechas to interstellar battleships, from Aquamarine to the solar system and the Milky Way, the exchanges and wars between civilizations, the laws of the dark forest, the community of stars and seas, river systems, and the universe, let's see how the protagonist leads human civilization into the stars and explores the universe. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.