魔王討伐から半世紀、今度は名もなき旅をします。 (Associated Names)

I, along with my past companions, retraced our old journey 50 years after defeating the demon king. I was supposed to travel alone peacefully, but an old man started following me from the first day, with my granddaughter and a sacred beast joining in later. Due to their personalities, the journey became quite hectic, and…