A-Rank Boukensha no Slow Life

Aldred, the leader of a kingdom's A-ranked party, "Black Silver," has accomplished the task of slaying a dragon. However, he who has pursued strength his whole life has lost sight of his goal from taking down a monster of the strongest species. As he worried about what to do next in his life, it was the scenery of Nordende that popped up in his mind; A rural village by the countryside, full of natural beauty, which he only visited once during a quest in the past. After declaring the disbandment of his party, he heads towards Nordende for a comfortable, relaxing life.

(Source: Nocturne Novels, translated)