After receiving a warning that Yunyun's hometown is in danger, Kazuma's party is relieved to discover it's only a joke...until it isn't. The Demon King's general has just arrived to obtain The Mage Killer, a weapon with world-ending power.

In “Red Stream Explosion,” the annual quieting a rampaging storm spirit rolls around, and this time Kazuma's party takes the spotlight. In “Watch Out for Impostors,” Kazuma encounters a suspiciously familiar adventuring party that seems to have a bone to pick with him...