Blue Star: from Ruling the Galaxy to Kicking Back the Universe

In 2070, the Blue Star civilization exploded with science and technology. In just 100 years, it developed to a level 3 civilization and established the first country in the galaxy, the Union Republic. In 2215, a civil war broke out in the Union Republic, and the entire country was on the verge of collapse. Ten years later, war preparation resources were seriously insufficient, and the galaxy was on the verge of destruction. The protagonist, Li Tengxiao, was killed by the rebels and was reborn a hundred years ago, hoping to reverse the outcome of the galaxy...