The Hero Is Overpowered but Overly Cautious light novel Volume 5

WHAT COULD HAVE BEEN...

Beast Emperor Grandleon, Machine Emperor Oxerio, and Vengeful Empress Celemonic have all been defeated by the cautious Hero. As Seiya, Rista, Kiriko, and Jonde travel to the west to face the Death Emperor, the last of the Demon Lord's generals, though, they are wholly unprepared for what they fifind: a town full of happy people, all living peaceful lives. And why wouldn't they be? According to them, the Demon Lord was defeated over a year ago by none other than Seiya Ryuuguuin himself! As the party's heads flflood with questions, a familiar silhouette appears on the horizon...