The owner of Minamikaze has invited the girls of Lemon to his home, once there the mood changes drastically.  How can the girls escape?  Squid Girl is suffering from amnesia and everybody is trying to convince her she is an alien, girlfriend, or sister, but what about invader?  The Invasion Club has been formed, join and watch how they systematically invade the city.
I think it's just about time for us to-
Ich denke, wir müssen jetzt auch wie-
Creo que es hora de...
Creo que es hora de...
Bon, on ne va pas
tarder à…
Acho que está na hora de irmos—