Louise Françoise Le Blanc de La Vallière

Height: 153 cm
Familiar: A Knight (newly appointed), Saito Hiraga

Louise Françoise Le Blanc de La Vallière is the main female character. She is a second-year student at the Tristain Academy of Magic and a terrible mage who is often scorned by her fellow classmates. Because every spell she casts fails, she is nicknamed "Louise the Zero" after her zero success rate and zero attributes. The third daughter of the noble family La Vallière who owns the northeastern territory of Tristain.

The Familiar of Zero F, the final episode, she gets married to Saito.

She is named after Françoise Louise de La Vallière, a French mistress to Louis XIV of France from 1661 to 1667.