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.
Aren't those my yukata and my sandals?
Sind das meine Yukata und Sandalen?
¿Ese yukata y esas sandalias no son mías?
¿Ese yukata y esas sandalias no son mías?
C’est mon yukata
et mes geta !
Aquele yukata e aquela sandália
 não são minhas?