Hazuki Ferrari is one of the main characters in the anime series Galilei Donna. As the eldest of the three Ferrari sisters, Hazuki is a strong-willed and determined young woman. A law student, she is often seen as the responsible one, taking charge during their adventures. Despite her sometimes stern demeanor, Hazuki deeply cares for her sisters and is fiercely protective of them. Throughout the series, she embarks on a journey to uncover the secrets of their ancestor, Galileo Galilei, while confronting personal challenges and family dynamics.