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.
Like Senior Squid Girl said, this 
place and Eiko's house have
Kalmi meinte, dass dieser Ort und Eikos Haus
Como dijo Calamar-senpai, este restaurante
 y la casa de Eiko-san fueron invadidos.
Como acaba de decirnos 
Calamar-senpai, ya ha invadido
Selon les dires de Calmarine,
ici l’invasion est terminée.
Como a Ika-senpai disse, este 
lugar e a casa da Eiko-san