Kelpie

ケルピー

An impolite and arrogant fairy who aggressively pursues Lydia. Bound by the moon spell, which drives away unwanted advances from fairies, Kelpie must bring Lydia the "moon" in order to win her over, although it's clear to everyone but Kelpie she has no interest in him. He follows Lydia all the way to London to bring her back to Scotland. Despite his aggressiveness, Kelpie genuinely loves and cares for Lydia, and comforts her when she's confused (though she protests at times). His fairy form is that of a black horse, while his human form is that of an attractive young man with dark hair and eyes (his pupils are white swirls). His eyes are able to bewitch both men and women alike, and he has strong magical powers. He has the ability to purify water and cleanse toxins. "Kelpie" is actually the name of his species, and not his given name (it has not been explicitly mentioned). He and Lydia first met in Scotland. At the time, a middle-aged woman came to Lydia with her tale of a young man whom she was in love with. Lydia discovers that the man is actually a Kelpie; the younger brother of the Kelpie that wants to marry Lydia. After being convinced of th