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!
Good grief, that Illya-san... Honestly...
Menno, diese Illya, also echt mal …
Por Dios... Illya-san es tan...
Por Dios... Illya-san es tan...
Franchement…
Ma tu guarda quella Illya... È davvero...
Minha nossa, essa 
Illya-san... Vou te contar...