The Case Study of Vanitas

Noé is on an airship bound for Paris, where he hopes to find the legendary "Book of Vanitas." He meets a woman named Amelia as the ship nears its destination, and then all hell breaks loose when a mysterious stranger appears. Has Noé's quest found him?

Vanitas and Noé are in a bind until an invitation arrives. At their benefactor's, they find they must prove the "Book of Vanitas" can restore a vampire's true name. They try to secure the necessary proof, only to encounter someone else after the book.

The battle between Vanitas and the Hellfire Witch takes an unexpected turn. Vanitas and Noé return to Count Orlok to learn their fate along with Amelia's. Noé digs deeper into the cause of Amelia's name corruption and goes on a journey with an old friend.

The Teacher explains the World Formula theory. Vanitas is put off by Noé and Dominique's relationship. Dominique rakes Vanitas over the coals. Vanitas encounters Jeanne again and reveals himself to the ball guests. Chaos ensues when gate crashers arrive.

Noé's encounter with Charlatan triggers a childhood flashback. His earliest days are revealed, along with Louis' dark secret. Noé grows up surrounded by friends, but an attempt to save one of their inner circle has tragic consequences.

Vanitas comes to the rescue and helps Noé and company battle Charlatan's curse-bearers. Noé questions Vanitas's methods. Some unexpected help arrives when they face another threat. Noé confronts Vanitas, but will it bring them together or tear them apart?