[DeepL Translation - needs review] Volume 1: In 19th century England, Lydia, a girl who can see fairies, is in training to succeed her late mother as a fairy doctor. However, she is always treated as a freak by those around her. On her way to London, she is summoned by her father, a university professor, and gets caught up in a battle over a mysterious treasure sword. Edgar, who claims to be a descendant of Count Blue Knight, the lord of Fairyland, asks Lydia to find the treasured sword. But...
