Moto Yuusha wa Shizuka ni Kurashitai

元勇者は静かに暮らしたい

Despite defeating the Demon King, Noel Veigel, who is a Brave was betrayed by his country and comrades. "Screw everything else! I'll live my life the way I want!" Thus, the second life of the former brave begins. (Source: Shousetsuka ni Narou, translated)