I Will Colonize the Entire Universe Starting from the Solar System

Li Ran, a soldier of the Human Interstellar Alliance, came back from the dead and unexpectedly obtained a technology tower. From then on, I watched Li Ran learn all kinds of advanced technological knowledge from the science and technology tower, and slowly build a huge interstellar fleet by himself. Li Rui led his interstellar fleet to crush the alien colonial army, first dominate the solar system, then rush out of the galaxy, and finally colonize the entire universe. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.