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.
But you know how crazy it gets 
when I show up there.
Du weißt doch, wie verrückt immer
 alles ist, wenn ich da auftauche.
Pero saben todo el escándalo 
que hacen cuando voy.
Pero ya sabéis qué escándalo 
que se monta cuando voy.
Non, si je m’étais montrée,
il y aurait eu trop d’agitation !
Mas vocês sabem como as coisas 
ficam quando eu apareço por lá.