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.
Isn't this the perfect time 
for your club to take action?
Wäre das nicht die beste Zeit für
 euren Club, um in Aktion zu treten?
¿No crees que es el momento 
apropiado para que tu club actúe?
¿No crees que es el momento 
apropiado para que tu club actúe?
Au contraire, c’est dans ce genre
de moments qu’il faut persévérer !
Este não é o momento perfeito do 
clube de vocês entrar em ação?