The World Is Broken, but I Can Fix It

Mechanical engineer Lu Xun transmigrates to an apocalyptic otherworld and gains the ability to see the "malfunctions of all things." The terrifying forbidden zone in other people's eyes: [Do not look directly at the moon after midnight.] But to him, it looks like this: [Lighting system has a logical conflict. Suggest restarting the moon.] While others risk their lives hunting monsters and fighting over supernatural ranks, he spends ages inspecting one with a wrench in hand. "Relax, this thing isn't a god." "It's just old, poorly maintained, and behind on its upkeep fees."