Illya's enjoyable summer isn't over! After changing into a yukata, she joins the usual gang and heads to a local festival. As Illya enjoys yo-yo fishing and lottery drawings at the festival, she realizes something dire--she was supposed to wear underwear beneath her yukata! A great tragedy befalls upon her!
Considering what happened at the beach,
Nach dem am Strand zu folgern,
Considerando lo que pasó en la playa,
Considerando lo que pasó en la playa,
Vu ce qui s’est passé à la plage,
on ne peut probablement pas gagner.
Considerato quanto è successo al mare,
Considerando o que aconteceu na praia,