The Earl and the Fairy (Hakushaku to Yōsei) is a completed series of light novels written by Mizue Tani and published in Japan by Shueisha. The story is serialized in Cobalt magazine and illustrated by Asako Takaboshi (Ayuko). As of March 2011, four volumes of the manga adaptation of the series have been released by Shueisha under their Margaret Comics imprint. Viz Media has published the series under the name of “The Earl and The Fairy” in their Shojo Beat Manga label.
The story, set in Victorian Britain, follows the adventures of 17-year-old Lydia Carlton, nicknamed the “Fairy Doctor” due to her interest and understanding of fairies. Her life takes a 180-degree turn when she meets Edgar J.C Ashenbert, the “Legendary Blue Knight Earl” and his crew on a sea voyage to London. Edgar hires her as an advisor during his quest to obtain a treasured sword that was supposed to be handed down to him by his family.