Kagami Hiiragi means: She’s the sweetest, most adorable and perfect little girl. There are many things that she is. She is a Tsundere and a Tsukkomi. Adorable and kind-hearted. Tsukasa’s perfect sister, she is also a wonderful friend and even better spouse. Kagami is also a great friend and supporter of her friends, even though Konata can make it hard for her. (in Community Dictionary, added by Prince Burnett)