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.
So, what do you think of 
the toilet hospitality?
Was haltet ihr von meiner Klo-Bewirtung?
¿Qué te parece la hospitalidad del baño?
¿Qué te parece la hospitalidad del baño?
Alors, ne sont-elles pas
accueillantes, mes toilettes ?
E então, o que achou da 
hospitalidade do meu banheiro?