Her good nature tends to result in him being burdened with various things. Tsumugi is quite the natural airhead and can be a little dense. Though she has a kind and calm personality, sometimes she is unable to read the room and acts or says things inappropriately. She has dark blue, wavy, tousled hair with long bangs that cover her forehead. She has gold eyes and also wears large, black rimmed glasses. Tsumugi is the librarian at the magic library you frequent.