Ep 9. Those Who Hunt Crimson

As Paris continues to be plagued by vampire attacks, Vanitas and Noé work to uncover the truth behind the tragedy of The Blue Moon Incident. In episode 9 of The Case Study of Vanitas (Original Japanese Version), titled Those Who Hunt Crimson, Vanitas and Noé finally come face to face with the dangerous King of the Vampires.

The episode begins with Vanitas explaining to Noé that they must find the Book of Vanitas in order to fully understand the situation they are in. As they make their way through the city, they encounter a member of the Church who is hunting for the Book of Vanitas. The Church has a long history of vampire hunting and views the book as a weapon that must be destroyed.

Meanwhile, the Queen of the Vampires continues to suffer from the Crimson Curse, a disease that is causing her to slowly turn into a vampire. In order to find a cure, the Queen enlists the help of a young vampire named Luca. Luca is a skilled doctor who has been researching a cure for the Crimson Curse for years. However, his research has been hindered by the Church's vampire hunting activities.

Vanitas and Noé follow the Church member to a secret underground vault where the Book of Vanitas is being kept. However, they soon realize that they are not the only ones searching for the book. The King of the Vampires, a powerful being who has been behind many of the recent vampire attacks, arrives at the vault as well.

A tense battle ensues as Vanitas and Noé face off against the King of the Vampires. The King proves to be a formidable opponent, but with the help of the Church member and Luca, Vanitas and Noé are able to gain the upper hand. They manage to escape with the Book of Vanitas, but they know that their troubles are far from over.

As the episode comes to a close, the Queen's condition continues to worsen. With the Book of Vanitas in their possession, Vanitas and Noé may be the only ones who can save her from the grips of the Crimson Curse. However, they must first learn how to use the book, and they must do so before the Church and the King of the Vampires can stop them.

Overall, Those Who Hunt Crimson is an action-packed episode that begins to reveal the true nature of the conflict in The Case Study of Vanitas. Viewers will be on the edge of their seats as Vanitas and Noé face off against the powerful King of the Vampires, and they will be left eager to see what happens next in this thrilling anime series.