Nankoufuraku no Maou-jou e Youkoso ~Debuff wa Fuyou to Yuusha Party wo Oida Sareta Kuro Madoushi, Maou-gun no Saikou Kanbu ni Mukaerareru~

In an age where peace has rendered the ancient callings of adventurer, hero, and demon lord obsolete, the thrill of dungeon delving has been repackaged as a bloodless spectator sport. Through the use of magically crafted substitute bodies, monsters and explorers can clash with reckless abandon, turning lethal labyrinths into stages for public entertainment—all without the finality of death. Yet for those who once lived for the edge of a blade, this new era offers little solace. Remme, a gifted practitioner of forbidden black magic, knows this harsh reality all too well. Cast out from his former party under the pretext that his debilitating curses were superfluous to their streamlined conquests, he finds himself adrift—a specialized weapon with no war to fight. Rejected and scrambling for any party willing to accept his dark arts, his prospects dwindle to nothing in a world that favors flashy offense over pragmatic attrition. Just as despair begins to settle, a striking, enigmatic woman appears before him with a proposition that shatters his mundane routine. She claims to have a job perfectly suited for his talents, one that will pull him from the margins of this peaceful society and thrust him back into the heart of the conflict—though on which side, Remme is about to discover.