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.
From this day on, this is where
the invasion club will meet!
Von dem heutigen Tage an
 wird sich der Eroberungsclub hier treffen.
¡A partir de hoy, aquí se 
reunirá el club de invasión!
¡A partir de hoy, aquí se 
reunirá el club de invasión!
À partir d’aujourd’hui,
ce sera la salle du club d’invasion !
De hoje em diante, é aqui que o 
Clube da Invasão vai se encontrar!