The light novel series 'The Familiar of Zero' (Zero no Tsukaima) by Noboru Yamaguchi was first published in Japan, marking the beginning of the franchise.
The first season of the anime adaptation of 'The Familiar of Zero' aired in Japan, introducing audiences to the series' characters and story.
The second season of the anime series aired, continuing the story of Louise and Saito.
The third season of the anime adaptation aired, further expanding the storyline.
The fourth season of the anime, also known as 'The Familiar of Zero: F',' was aired, concluding the anime series.
Noboru Yamaguchi, the author of 'The Familiar of Zero' light novel series, passed away due to illness.
Louise summons Saito Hiraga from Earth to be her familiar in the Tristain Academy of Magic.
Saito regains his honor after fighting in the class battle, proving himself to the other students and Louise.
Louise and classmates go on a field trip to a neighboring kingdom, where Saito helps resolve conflicts and deepens bonds.
Saito and Louise confront the rogue mage Culverin who threatens the kingdom with dangerous magic.
Saito receives training to enhance his abilities as a familiar, including sword skills and magical resistance.
Saito and Louise become involved in the conflict between Tristain and the army of the neighboring kingdom Gallia.
It is revealed that Louise possesses the Void Magic, the rare and powerful magic that causes her frequent failures in spellcasting.
Saito successfully defends Louise from attempts on her life orchestrated by political enemies.
The conflict with Gallia ends with a treaty, restoring peace to the region; Saito and Louise's relationship grows stronger.
