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.
I didn't think I'd catch her cold.
Ich hätte nicht gedacht, dass ich mich anstecke.
No pensé que me contagiaría su resfriado.
No pensaba que me contagiaría su resfriado.
Je ne pensais pas attraper
le rhume de Kiyomi…
Não pensei que pegaria 
o resfriado dela.