Katarina is Yuri's niece and the only daughter of the noble family of Falier that is respected in Venice. Katarina is a small girl compared to the other characters, but average for a girl of her age, she also seems to have an average weight. She is really pale and her eyes are green while her lashes are yellow. Her hair is curly, long and blonde. Her usual dress is a chemise with sleeves that are large until the elbow, where it stops just the hands.