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.
Looks like we've got the same idea!
Wir hatten wohl dieselbe Idee.
¡Parece que tuvimos la misma idea!
¡Parece que hemos tenido la misma idea!
Je vois qu’on pense
la même chose.
Parece que tivemos a mesma ideia!