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.
Will you consider me your friend, too, 
if I give you shrimp?
Wirst du mich auch als einen Freund sehen,
 wenn ich dir Shrimps gebe?
¿También me considerarías 
tu amiga si te diera camarones?
¿También me considerarías 
tu amiga si te diera gambas?
Si je lui offre aussi une crevette,
elle me considérera comme une amie ?
Você também vai me considerar 
amiga se eu te der um camarão?