When Momoka becomes infected by an unknown virus, the government's fearsome and secret National Survival Game Club moves to restrain her. Miou announces the Survival Game Club's mission to throw a birthday party for Urara! While Momoka is normally cold to Urara, she decides she should at least be nice to her on this day and does her best to prepare.
The greatest battle of 
all time has just begun.
Der größte Kampf aller Zeiten 
hat gerade begonnen.
Así comenzó la mayor batalla 
de todos los tiempos.
Así comenzó la mayor batalla 
de todos los tiempos.
A maior batalha de todos
os tempos começou.