I Was Forced to Get Involved in the Demon Slaying Scene but Didn't Give Me the System

——There is no system, no old man, just a teammate with a big brain, and a bunch of evil spirits in urgent need of physical salvation. Focus on anti-routine! ! ! The plot is slow-burning and pays more attention to details, no narration, no cheats, and no upgrade flow. Pursuing a fast pace, three sentences explain everything that needs to be read carefully Please note, updates will be suspended for three days due to issues, and will be updated as usual the day after tomorrow.