Louise Francoise Le Blanc de La Valliere may have a long name, but her spell-casting skills just come up short and her classmates call her Louise the Zero. When she is tasked with a test of summoning a familiar, she summons Hiraga Saito, a normal teenager from Tokyo while everyone else summons great beasts. Will Louise figure out what she excels in? Will Saito and Louise make a great team? Find out in The Familiar of ZERO!
The students are introduced to their teacher and they demonstrate alchemy spell casting and summoning their familiar.
Still new at becoming a familiar, Saito struggles to accept that he is louise's servant.
After defeating the noble Guiche in a battle, Saito finds that the peasants have begun to look up to him. Saito also gains a friend he can wield.
Saito learns that Siesta is now the servant of Mott a Triangle-Class Mage. In order to save her, Mott requests they trade for a Zerbst family heirloom.
Louise prepares for the annual exhibition by preparing Saito to be presented amongst the familiars.
After the palace treasure was stolen, Louise, Kirche, and their Familiars are tasked to retrieve it and bring the Staff of Destruction back to the institution.
After capturing the thief and returning the staff of destruction to the institution, Louise and Saito are given a special mission by Princess Henrietta.
With the Summer holiday started, many of the students and their Familiars have gone home for vacation.
Louise drinks a potion intended for another and ends up having eyes for Saito.
Princess Henrietta plans to marry into the Royal Family of Germania to strengthen the country of Tristein. Saito discovers something special about himself.
Louise accepts the proposal from Wardes to get married before analyzing the motives for such a proposal.
Louise briefs Osman of the plans of the reconquista. Siesta gets permission to take a vacation and will return home to her village. After she explains the story of her great-grandfathers origin, Saito asks to go back to her village with her.
After discovering that the way Siesta's grandfather arrived in this world was by a zero fighter, Saito plans to try and fly home during the eclipse.