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.
The driver she uses is the gun-bow type driver Wrnach.
- She ranked 185th in the 6th official Divine Gate popularity poll.
- She takes her code name after the knight of Arthurian legend, Sir Kay. Her AS' name "Llamrei" comes from a mare of the same name owned by Arthur in the tale "Culhwch ac Olwen", which is her first form's NS2, and her evo's NS2 "Wrnach" was the name of a giant killed by Sir Kay.
- Unlike the other Knights, Arthur does not have seem to have a nickname for Kay.