治癒魔法の間違った使い方 ~戦場を駆ける回復要員~ 1

[DeepL Translation - needs review] Introduction to Volume 1: Usato is a high school student who gets caught up in a "hero summoning" and is transported to another world. Finding an aptitude for rare "healing magic," Usato is abducted by Rose, the leader of a rescue mission. What awaits him there are days of hellish training.

(Translator: DeepL)