I Am Not Demon king(Demon Slayer)

In the grim shadows of a world overrun by devils, Fang Cheng’s tale unfolds—a saga born from the very essence of darkness. Awoken by the art of killing, he treads the treacherous path to becoming the unrivaled Demon Lord. Confronted by the encroaching menace, Fang Cheng strikes a perilous bargain with the ominous “Killing Devil,” binding his fate to a macabre contract.In this desolate age, where the stench of devilish invasion hangs heavy, Fang Cheng, driven by the primal instinct to survive, embraces the relentless pursuit of power. His journey is etched in blood, a crimson symphony of demonic prowess. The very act of extinguishing other devils becomes the key to unlocking a repertoire of unearthly skills, each death a macabre stepping stone toward his ascension.Amidst the chaos, Fang Cheng solemnly swears an oath—to ascend to unparalleled strength and carve a path through the darkness with a blade stained in the ichor of his adversaries. His destiny intertwines with the shadows, crafting a narrative of relentless ambition and unyielding determination. In this accursed era, Fang Cheng emerges as a force to be reckoned with, a silhouette shrouded in the malevolence of a burgeoning Demon Lord.