Zero no Tsukaima

First Season: Zero no Tsukaima
Japanese Title: ゼロの使い魔

English Tiyle: The Familiar of Zero

Spanish Title: La Magia de Zero

Russian Title: Подручный Луизы-Нулизы

Chinese Title: 零之使魔

Korean Title: 제로의 사역마

Polish Title: Chowaniec Zero

Louise is a magician at the Tristein Academy, dubbed with the nickname "Zero Louise" due to her inability to effectively use her magic properly, resulting in zero successes. An upcoming test at her academy requires her to summon a familiar, a servant and partner to support her as a magician. Despite desiring a familiar that would be superior to her constantly mocking classmates, Louise ends up summoning Hiraga Saito, your average Japanese boy. Even with Louise and Saito both unwilling to accept each other, they have no choice. Louise cannot attempt another summoning and Saito cannot return to Japan, and so their life together begins. Based on the novel by Noboru Yamaguchi.

Second Season: Zero no Tsukaima: Futatsuki no Kishi
Japanese Title: ゼロの使い魔 ～双月の騎士～

English Title: Familiar of Zero: The Rider of the Twin Moons

Russian Title: Подручный Луизы-Нулизы 2

Polish Title: Chowaniec Zero: Rycerz Bliźniaczych Księżyców

Chinese Title: 零之使魔 双月の騎士

Korean Title: 제로의 사역마 쌍월의 기사

This sequel is a continuation of the previous season, not long after the war. Louise and Saito seemingly getting along now since she knows that he had given up his only chance to return to Tokyo for her. The story continues as Louise begins to use Void Magic from a mysterious secret book she had recieved from her majesty Henrietta, while a new villain has appeared in town causing trouble.

Third Season: Zero no Tsukaima: Princesses no Rondo
Japanese Title: ゼロの使い魔～三美姫の輪舞(プリンセッセのロンド～

English Title: Familiar of Zero: The Princess Rondo

Russian Title: Подручный Луизы-Нулизы 3

Chinese Title: 零之使魔 三美姬の輪舞

Korean Title: 제로의 사역마 삼미희의 윤무

Polish Title: Chowaniec Zero: Pieśń Księżniczki

Following Saito's heroic actions in the War with Albion in season two, Saito & Louise return to Tristain, only to have the runes which bind Saito & Louise disappear. Saito & Louise struggle with a relationship no longer defined as Master & Familiar, as they search for an Elf who has the power to restore the dead to life, and may hold the key to understanding Saito's loss of the Gandalfr's power.

Fourth Season: Zero no Tsukaima F
Japanese Title: ゼロの使い魔 F

The fourth and final season of The Familiar of Zero. Saito and Louise feel their bond deepening as the days go on, and they feel it might be time to take the next step in their relationship... But before that, the Queen has a mission for them. She sends them to the pope, who has both Louise and Tiffania become holy maidens. And with all the interruptions around, by both friends and foes, Louise and Saito's love will be tested to the limit.

Other

 * Super Heroine Chronicle (Magical Girl Video Game)
 * Zero no Tsukaima（Zero no Tsukaima Wikia）