One day when the record heat wave hit. The air conditioner suddenly breaks down, and Yuki is at a loss as no matter how many people ask for repair requests, they are all full. Luckily, she remembered that her husband's uncle used to be an electrician, so she was able to come over at short notice. The next day, her uncle Jinbei came to visit her. Jinbei, who has been in a drought for a long time, has lust for Yuki when he first meets him.