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.
The five of us can make the invasion club.
Wir fünf können den Eroberungsclub gründen.
¡Las cinco podemos hacer 
el club de invasión!
¡Las cinco podríamos hacer 
el club de invasión!
Fondons le club d’invasion
à nous cinq !
Nós cinco podemos fazer 
o Clube da Invasão.