I Joined the Army to Serve the Country, but the System Said I Was a Demon-Suppressor.

[Host detected, you have arrived at the front line of the human-demonic battlefield, system reward: Demon-Slaying Sword Technique] Chen Feng from the recruit company looked at the Type 95 automatic rifle in his hand with a confused look on his face. A system that is overly enthusiastic. It means that the military camp is a demon-suppressing department, the instructor is a "hundred-year-old demon general", the exercises are "monster siege", and the mission of slaying demons is issued every day. Chen Feng could only tearfully use the [Demon-Slaying Sword Technique] for fighting, the [Indestructible Vajra Body] for cross-country travel with heavy loads, and the [Destroying Divine Eyes] for shooting and aiming... He was invincible in fighting, perfect in shooting, broke records in cross-country, and became the strongest soldier in the army. When performing a mission, facing a brutal drug lord (the "Millennium Demon" in the eyes of the system), Chen Feng made a sliding shovel and shouted: "Monster, where can you escape!" When he wore countless medals, the system burst into tears: [Congratulations to the host for wiping out the Demon Cave. There are no more demons in the world. Your merits have been fulfilled and you can retire!