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!
Assuming the cost to the 
seller is 25% of the price,
Angenommen, der Stand produziert sie
zu 25% des Verkaufspreises,
Asumiendo que el costo para el 
restaurante sea del 25 % del precio,
Asumiendo que el coste para 
el restaurante sea del 25 % del precio,
Avec un coût de revient d’environ 25 %,
le prix devrait plafonner à 200 yens.
Supponendo che il costo per un ristorante 
sia circa il venticinque percento del prezzo,
Assumindo que a matéria prima custa 
cerca de vinte e cinco por cento do preço,