Squid Girl decides that the Lemon should test their defenses against other invaders. But little do they know Squid Girl has other plans for this mock invasion...

A fight breaks out between Squid Girl and Eiko and this time things aren’t patching up as quickly.  With the tension in the air Chizuru closes the restaurant early so the group can go to the local Festival.  Will Squid Girl go back to the sea or will a mysterious visitor be the key.
There's a difference between 
doing something on accident,
Es ist ein Unterschied, ob man was aus Versehen macht
¡No es lo mismo hacer algo por accidente
 que hacerlo con mala intención!
¡No es lo mismo hacer algo por accidente
 que hacerlo con mala intención!
Ce n’est pas pareil
quand c’est fait exprès !
Isso é uma coisa diferente
 de fazer por acidente,