Saito Hiraga is honored with the title of knight and treated as an aristocrat after his valiant sacrifice in the battle against Albion. This newfound status poses a challenge for Louise Françoise Le Blanc de La Vallière as their relationship surpasses that of a powerful Void mage and her ignorant familiar. The uncertainty of what this change means for their future lingers as they venture towards a castle, abruptly interrupted by an attack from an intimidating mage named Sheffield. Louise struggles to defend herself until a surprise entrance from Saito shifts the course of the fight, alluding to the presence of another potent Void user. As Louise pieces together the enigma stemming from the altercation, she discovers that Saito's magical abilities are waning, initiating a new journey: to search for the elf who once brought him back to life. Together, they embark on a mission to rekindle the powerful bond between them and redefine their connection from master and servant to a more intimate level.