Ta <Ken Kiyoshi> Ha Raku Wo Shitai 1 (Gardo Comics)

[Machine Translation] The mission of the high reward is to escort the strongest "Princess Sword Saint"? The youngest knight in history, Alta, is in fact the reincarnation of the legendary "Sword Saint. Having burnt out in his previous life after mastering the art of swordsmanship, the boy was living a second life in which he was unable to be passionate about anything. One day, he is ordered to escort Iris, a candidate for the next king, to her school as a swordsmanship instructor. Alta, however, is too young to hide her confusion, and she uses her swordsmanship to lightly taunt the students. Iris, the "Sword Saint Princess" of her day, challenges the former "Sword Saint"! This is a story of two people, a boy and a girl, connected by the name "Sword Saint.

高額報酬の任務は――最強のハズの《剣聖姫》の護衛!?史上最年少の騎士・アルタの正体は、伝説の《剣聖》の生まれ変わりだった。前世で剣の道を極めたことで燃え尽きた少年は何にも熱くなれない二度目の人生を送っていた。ある日、次期国王候補の少女・イリスの護衛任務を命じられ、彼女が通う学園に剣術講師として潜入することに。彼のあまりに幼すぎる風貌に、戸惑いを隠せない生徒たちをその剣の冴えで軽くあしらうアルタだったが――「先生。私と、本気で戦ってください」当代の《剣聖姫》と謳われるイリスが元《剣聖》に挑みかかる!これは《剣聖》という名が繋ぐ少年と少女、二人の物語。