A brief description of the A-Rank Boukensha No Slow Life manga:
Aldred, the leader of the Royal “A”-rang “Black Silver” unit, has completed the task of killing the dragon. But after defeating the strongest monster, Aldred, all his life seeking to gain strength, lost the purpose of life. When he thought about what he should do next, the landscapes of Nordende appeared in his head. It was a small village full of natural beauty, which he had visited only once during one of his long quests. After announcing the dissolution of his squad, Aldred headed towards Nordende in search of a peaceful and peaceful life.