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 only instructed you on the proper behavior 
a maid should show her master.
Lass es heute mal gut sein.
Dejémoslo pasar por hoy...
Dejémoslo pasar por hoy...
Lâche l’affaire pour aujourd’hui.
Lascia perdere per oggi...
Vamos deixar isso de lado, ao menos hoje...