The Kurino family lost their husband a few years ago and are now living off Yoko's meager earnings. - Naturally, there was no way they could live in their original home, so the mother and son moved to a house in the countryside. - However, as if to mock them, the Kurino family's home appliances break down one after another. - ``This time, the air conditioner is broken!'' Summer is in full swing... Inside the house, the scorching summer sun is pouring down. - The two of them kept smiling, but her son, Daisuke, was looking at Yoko's sweaty, glistening body.