Nakanuchan is once again cheerfully searching for iron to create the ultimate hammer! However, just when it finds some iron it really likes, the iron gets collected by a truck... Even after returning to the airship, Nakanuchan is unable to forget about this iron, so it dives off the ship just as it's about to take off...?! At the same time, Sango and Onyx are on the move, riding in an Armorga Taxi...