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!
Where were you two? The bathroom?
Wo wart ihr denn?
Auf Toilette?
¿Dónde estaban? ¿En el baño?
¿Dónde estabais? ¿En el baño?
Vous étiez aux toilettes ?
Dove siete andate? In bagno?
Onde vocês duas estavam? 
No banheiro?