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 there's a lot of 
places for us to invade.
Es scheint viele Orte zu geben,
 die wir erobern können.
Tendremos muchos sitios para invadir.
Tendremos muchos sitios para invadir.
Il y a beaucoup d’endroits
à notre portée !
Parece que tem um monte de 
lugares para nós invadirmos.