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!
There was a mosquito on your back, Tohsaka Rin.
Du hattest ein Moskito
am Rücken, Tohsaka Rin.
Tenías un mosquito en 
la espalda, Rin Tohsaka.
Tenías un mosquito 
en la espalda, Rin Tohsaka.
Un moustique était posé sur ton dos,
Rin Tôsaka.
Avevi una zanzara sulla schiena, Rin Tohsaka.
Tinha um mosquito nas 
suas costas, Tohsaka Rin.