The 42-year-old middle-aged man who left his village for the first time was actually the strongest! ♪ In a remote village situated between the Demon King’s territory and the Kingdom, the villagers spend their days repelling the monsters that constantly attack them. Graham, a 42-year-old man who fought on the front lines of that village, loses an arm one day during a massive invasion by the Demon King’s army. Realizing he might become a burden to the village, Graham decides to leave. He begins a second life as an adventurer in the Kingdom, only to find out...?! The curtain rises on the fun and exhilarating adventure of the strongest middle-aged man!