The Familiar of Zero: "Rondo" of Princesses

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.

(Source: Anime News Network)