M: Book 1

In this adventure, Countess Elizabeth Bathory seeks eternal life with the help of legendary allies, including Arsène Lupin, Professor Moriarty, and supernatural creatures from folklore and history. As she attempts to gather powerful artifacts, Sherlock Holmes, Van Helsing, and a diverse group of iconic figures unite to thwart her plans. Together, they confront historic and fantastical threats in a race to prevent the countess from achieving her lifelong goal.