Sheriff of Mars

Sniper Max's memory was cut off from his last mission. He thought he was reborn and returned to his youthful days when he was eighteen, but he found that the world was completely different. His dream is simple: to get into Haitang Federal University, become a Mars peace officer, and start his journey as a Mars resident in a correct displacement method. Unexpectedly, the Earth outpost received a mysterious earthquake wave on this day, so he became a soldier who defended the ruined Earth. The strange things that followed were far beyond his cognition. The dark door in the universe had been opened. In a distant multi-dimensional space, a pyramid-shaped giant computer suddenly had a black screen...