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 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.