世界救い終わったけど、記憶喪失の女の子ひろった (Associated Names)

Everyone in the party is the strongest, and they all love (the Hero) the most The Demon King is defeated. The world is saved. Now there’s nothing left to do. Having retired, the Hero spends his days in a quiet rural town, playing with children and living a slow-paced life. But in doing so, he…