At City Hall, an incident occurs where a white goat and a black goat suddenly appear and eat documents! Misa realizes that the goats have eaten the documents of the World Heritage Project, and orders Kirino and Daizo to do something about it, but they ask Kanon for help. On the other hand, Riko and the Kirumins are also asked by Haruka to investigate the incident, so they head to the city hall. Now, what is the truth behind the incident?