After seeing μ's participate in the Daikoku Festival, the Nijigasaki girls set their minds to holding a festival for their own region. But what would a festival for today's Odaiba look like?

The Nijigasaki girls decide to discuss the new Odaiba festival with a local commercial facility. On the day of the meeting, their hearts won't stop pounding…

After talking with someone from DiverCity, the Nijigasaki girls start to feel the potential of a new festival that shows off the charms of Odaiba. Suddenly, they're contacted by someone.

The Nijigasaki members decide that each unit will handle their own festival at each facility. DiverDiva will be in charge of DiverCity! What kind of festival would be right for this place?

Following DiverDiva's lead, QU4RTZ search for ideas for their festival at Decks Tokyo Beach. Exhausted, they witness something from the deck.

R3BIRTH also search for ideas for their festival at Aqua City. What do they learn after a whole day of exploring the venue?

Finally, A-ZU-NA explore Ariake Garden. What do they find is the appeal of the combined commercial and residential area?

The girls have finally decided what kind of festival they'll hold at each facility. It's time for them to explain their ideas to the people in charge of the facilities. You, Shirioko, Setsuna, Karin, and Kanata head to meet them.

After communicating with each of the festival venues, it's time to get down to business! Just then, you hear an interesting story.

The Nijigasaki members decide to add a display showing everyone's memories of Odaiba to their festival. They set about gathering stories from people from school and from shops they frequently visit.