After successfully saving the town from Mobile Fortress Destroyer, Kazuma is ready to sit back and enjoy the hero treatment: fame, fortune, and...criminal charges?! Now in hot water with the law, he has to find a way to clear his name with the help of Aqua, Megumin, and Darkness before the judge can sentence him to death. Darkness has a plan to buy more time, but will it be enough...? After all, in this wonderful world, who knows what'll happen?