Kay

Birthday: October 9th (Libra)
Blood Type: B
Special Skill: Insulting
Favorite Food: Kiwi
Least Favorite Food: Carbohydrates
Homeworld: Common World
Driver:

Member of the "Knights of Round". She is a modern girl who bad mouths no matter what. Although she only insults and complains, Arthur does not get mad at her as he knows that her words are filled with love. She is referred as "Kay" by Arthur.

(Source: Divine Gate Anime Wiki)