Seija Musou: Salaryman, Isekai de Ikinokoru Tame ni Ayumu Michi

A man on the cusp of professional success finds his life unexpectedly cut short and is reborn in Galdardia as a teenager. Taking the name Luciel, he chooses a path as a healer, venturing to the town of Merratoni to join the Healers' Guild. There, he quickly discovers the guild’s reputation for exploiting those in need, prompting him to forge his own approach to healing – one rooted in genuine compassion.

Driven by a desire to prevent future failures, Luciel supplements his guild work by registering as an adventurer and undergoing demanding training with the Adventurers' Guild. Through rigorous physical conditioning and magical practice, he strives to become a truly effective healer. His efforts gradually earn him recognition throughout Galdardia, establishing him as a dedicated aid to those seeking assistance, regardless of personal gain. The story explores themes of responsibility, self-improvement, and the complexities of altruism in a world where resources are scarce.