The grand event for elementary schoolers is finally here--Summer Break! In preparation for the long-awaited trip to the beach, Illya and the others go with their classmates to pick out new swimsuits and carry on in front of the skimpy clothing♪ While they're out, Kuro runs out of mana and calls Illya away to an empty stairway platform. But Mimi catches sight of them in the act?!
We're old enough to know better.
In unserem Alter sollten
wir es ja besser wissen …
Tenemos edad suficiente para saberlo...
Tenemos edad suficiente para saberlo...
On est grandes, maintenant.
Dovremmo essere grandi abbastanza
 per saperlo...
Nós já somos velhas o 
suficiente para saber disso...