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.
This is my chance to show Chizuru 
that she can count on me!
Das ist meine Chance Chizuru zu beweisen,
 dass sie auf mich zählen kann.
¡Es mi oportunidad de mostrarle a 
Chizuru-san que puede contar conmigo!
¡Es mi oportunidad de mostrarle a 
Chizuru-san que puede contar conmigo!
Je ne perdrai pas
devant Chizuru, cette fois !
Esta é minha chance de mostrar que
 a Chizuru-san pode contar comigo!