Ta <Ken Kiyoshi> Ha Raku Wo Shitai Saikyo No <Ken Seihime> No Goei Ni Narimashita 1 (Overlap Bunko) [Light Novel]

[Machine Translation] Alta Schweizer is the reincarnation of the legendary "Sword Saint" and the youngest knight of all time. Alta wants to retire from the front lines as soon as possible in this life, but he is assigned to guard Iris Reinfel, the "Sword Saint Princess" who is highly regarded as the next king of the kingdom. Alta is ostensibly dispatched as an instructor at the school, but... But when Iris, the girl he is supposed to be protecting, suddenly challenges him to a fight...? Alta, who has shown her strength to Iris, gives her a lesson, but behind the scenes, a darkness begins to move against her...? As Alta continues to teach her, he learns of Iris's desire for strength, and with the pride of a "sword saint," he leads her to new heights of achievement.

アルタ・シュヴァイツは伝説の“剣聖”の生まれ変わりであり、歴代最年少の騎士。今世は早々に前線から退きたいアルタだったが、次期国王との呼び声が高い“剣聖姫”の少女イリス・ラインフェルの護衛任務に就くことに。表向きは学園の講師として派遣されたアルタだが...「私と本気で戦ってください」護るはずのイリスから突然戦いを挑まれて!?イリスに力を示したアルタは教えを授けることになるが、その裏では彼女を狙う闇が動き出し―?指導を続けていくうちに、アルタは強さを求めるイリスの想いを知り―「君が頼れる相手は、ここにいます」“剣聖”の誇りにかけてイリスを未到の高みへと導いていく!