すだちの魔王城(2)

[DeepL Translation - needs review] Introduction to Volume 1: The heroes have defeated the Demon King and the world is at peace - but Murabito, who runs a tool shop, Sudachiya, is in trouble. The world is now at peace, but Murabito, who runs a tool shop, Sudachiya, is in trouble! If things continue as they are, the store will close......and then a girl appears, who turns out to be the Demon King, who is supposed to be dead...! ［The heroes, the Demon King, and the villagers are all troubled by...