Shin-chan stays at Yoshinaga's house checks her room to find something different but Yoshinaga stops him.
A sales girl, Urima follows Shin-chan to sell a set of books and CDs to Misae. She loses a track of Shin-chan and gives up.
Misae, Hiroshi, and Shin-chan decide to buy an A/C. But Misae gets to know that the price of the A/C will reduce after a year. So, she drops the idea of buying it.
Shin chan visita el apartamento de la señorita Yoshinaga. La vendedora del infierno aparece para la batalla final, pero pierde ante Shin chan. Los Nohara van a comprar un ventilador. Buscando un descuento, al final no compran nada.
