Banished From the Hero's Party, I Decided to Live a Quiet Life in the Countryside Novel Volume 12 was written by Zappon with illustrations by Yasumo.

After returning from their vacation in the south, Yarandrala declares that she wants to build a ship capable of traveling all the way around the continent and ropes Red and the others into helping. They set out to sea on a beautiful summer's day to go diving and investigate a top-of-the-line galleon once sunk by Ruti—when all of a sudden, a Jade Kingdom ship drifts into view! What is it doing there all the way from beyond the Wall at the End of the World?!