Halloween is coming soon! Yume-chan and the others decided to dress up together. Furthermore, when I learned that a costume contest was being held, everyone entered. It will be fun to see what kind of costumes they will wear. In particular, Maira-chan and Peko-kun seem to be aiming for the championship more enthusiastically than anyone else. Meanwhile, Uni and the others throw the Unicchi Abyss into the pumpkin lantern. It's a strategy to aim for a chance when everyone is frolicking on Halloween! On the day of the costume contest. Pumpkin Man goes on a rampage in the fun atmosphere of the city, but in reality, Pumpkin Man...