In Another World, I Use Modern Weapons to Wipe Out Goblins

[No System] + [Goblin Slayer worldbuilding] + [Modern melee weapons and equipment] + [Becoming an adventurer] + [Reselling goods] + [Investigation] + [The state enters the story midway through]

Ever since graduating from college, Cao Yi has been rejected from one job after another. One night, he drank a whole jin of strong liquor to cheer himself up. When he woke from his hangover, he found a magic mirror in his home. All he had to do was silently think "transfer," and he could travel back and forth between his house and another world. Since things weren't going well in real life, he gave up on turning the mirror over to the authorities and decided to explore the other world alone. To that end, he planned to bring portable recording equipment and become an investigator.

The story will feature riot armor and modern steel melee weapons used to hack apart goblins, demons, and other monsters; Earth's advanced technology used to kill monsters; Earthlings immune to mental and soul attacks; explorations of dungeons and the Labyrinth of Death; the PLA entering the fray to crush the Demon King and forces of chaos; fighter jets battling dragons; and the fall of the gods.