Hazuki's younger sister, Art envies her because of the attention their family dedicates to her older sister, and because of it Art is determined to deprive Hazuki of everything and everyone she truly cares for, taking by force or destroying completely. In the series finale, she is taken into Morioka's family after the death of her guardian, Balgus. Kouhei manages to reach out to her and convinces her to open up to a new life with caring friends and family. She is a Shadow User.