She is a blonde English pirate, wearing a purple halterneck with a white Jolly Roger on the leg of the dress. She wears purple high heels to go with her dress.
Her real name is Jennie Behrn (ジェニー・バーン), and Behrn is the leader of the Lilien Knights.
She fights using LK Arts (Lilien Knight Arts) which is a combination of various martial arts.