The Frivolous Adventure! vol1: Kimetsu No Yaiba

(VOL1) Demons were the predator of humans. Every human feared for their lives as they stalked throughout the night with no fear. With only the Demon Slayers as their main enemy with only a hundred of them yet thousands of demons, along with their supernatural abilities, they have nothing to fear...Until the 'Pale Beast' was introduced to the food chain.