Labyrinth Master

After the tragic death of his sister, the protagonist embarks on a mission to find and stop a serial killer, navigating a hidden world filled with intriguing and resilient women. As he pursues his vengeful quest, he encounters a diverse cast of characters, each with their own stories and motives, who are all embroiled in a dark, dangerous plot. The story combines action, mystery, and romantic elements within a harem adventure.