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.
The unsurmountable obstacle named 
Eiko that was always in the way
Dieses unüberwindliche Hindernis namens Eiko, dass mir ständig im Weg war,
¡El muro infranqueable que no me permitía
 acercarme a Calamarcita por fin ha caído!
¡El muro infranqueable que no me permitía
 acercarme a Calamarcita por fin ha caído!
O obstáculo insuperável chamado
 Eiko, que sempre me atrapalhou