Demon Slayer: The Most Loyal Traitor

System: "Boy, you are a demon!" Kanhara Tetsuya: "So what?" System: "Join the Demon Slayer Corps!" Kanhara Tetsuya: "..." [Suicide Mission Activated!] As a demon, you infiltrated the Demon Slayer Corps, hiding your true identity. The higher you rise within the Corps, the greater the rewards you’ll receive! Confess to the scumbag boss, Muzan, that you're a demon slayer. Survive, and a generous reward awaits! Tell Tomioka Giyu that everyone hates him! Tell Kanroji Mitsuri she'll never find true love! Mock Kokushibo, telling him he'll never surpass Tsugikuni Yoriichi! Kanhara Tetsuya: "Just kill me already!"