In the Japanese web novel "The Headless Swordsman Is Accompanied By The Villainess’s Head," readers are introduced to Vira, a member of the Headless race, who seeks the head of the duke's daughter, Mirette Legusalle, as the perfect match for herself. The story takes a dark turn as Villa, another character, faces a deadly encounter with poison upon encountering Mirette. With a blend of drama, fantasy, horror, shoujo ai, and tragedy genres, this oneshot novel delves into themes of gore and R-15 content, offering a unique and captivating narrative.