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.
This guy's as volatile as a blowfish.
Der Typ ist flatterhaft wie ein Aal.
Ese tipo es tan volátil como un pez globo.
 ¡Tenemos que cuidarnos!
Ese tipo es tan volátil como un pez globo.
 ¡Debemos andarnos con ojo!
Il s’emmêle les tentacules.
Esse cara é imprevisível 
como um baiacu.