Henkyou no Yakushi, Miyako de S Rank Boukensha to naru
The Healer Ditches the Boonies to Become an S-Rank Adventurer: The Boy from the Hero’s Village Doesn’t Know His Cheat Medicine Is Unrivaled / The Healer Ditches the Boonies to Become an S-Rank Adventurer / Henkyou no Yakushi / Miyako de S Rank Boukensha to naru ~Eiyuu-mura no Shounen ga Cheat Yaku de Mujikaku Musou~ / Henkyou no Kusushi
Leaf lives peacefully in a village at the farthest edge of the country until his fiancée betrays him, taking away his home, his work, and everything he holds dear. Unsure what to do next, he wanders until he meets a distinguished lady in danger, an encounter that changes the course of his life. The world looks down on medicine and drugs, but Leaf uses their extraordinary power to begin a new journey. He sets out to become an almighty healer.