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.
I hope you'll keep being 
a good influence on her.
Ich hoffe, dass ihr weiterhin einen
 so guten Einfluss auf sie habt.
Espero que sigan siendo una
 buena influencia para ella.
Espero que sigáis siendo una
 buena influencia para ella.
S’il vous plaît,
continuez de veiller sur elle.
Espero que continuem sendo 
uma boa influência para ela.