Noboru Yamaguchi

When Saito, an ordinary teen living in Japan, is suddenly whisked away to the magical kingdom of Halkeginia, he becomes the familiar servant of Louise, a young girl enrolled in an academy for aristocrat magicians. (imdb)

In this 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. (imdb)

Following Saito's heroic actions in the war with Albion in the second season, Saito and Louise return to Tristain, only to have the runes which bind Saito and Louise disappear. Saito and Louise struggle with a relationship no longer defined as Master and 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. (imdb)

In this fourth and final season of the series, 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. (imdb)