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!
I'm reminded of that nightmare in Home Ec.
Erinnert mich an den
Alptraum im Kochunterricht …
Me recuerda la pesadilla 
de Economía Doméstica.
Me recuerda la pesadilla 
de Economía Doméstica.
Ça me rappelle nos cours de cuisine.
Mi è tornato in mente il disastro 
ad Economia Domestica.
Já estou lembrando daquele pesadelo
 na aula de educação doméstica.