Miso and Cocoming on Halloween Day disguise themselves as witches and Dracula, and invite their friends to a party. However, when the party starts and mysterious events occur, the co-commings are terrified. What is this over there? The great Angel Kokodosa has been attacked by someone and has collapsed?! The surprised Cocomings put their heads together to find the culprit with the clues left by Kokodosa, but as the mystery continues, they start to suspect each other...