As the owner of Higanbana, one of the seven great armaments of the Scarlet Shadow clan, Hanabi is the pride of the Scarlet Sect. To carry on her father's will, she has sought power since childhood. As a result of her single-minded goal, she closed herself off to all feelings and emotions. Even so, she was never truly accepted by Higanbana. Once, when she was pursuing an enemy spy and losing ground, she accidentally stepped into the world inside Higanbana.