One day in the middle of summer, when record-breaking heat continues, three employees at the company run by her husband suddenly quit.Her wife, Hikari, who wanted to help her even a little, will help her with her accounting.At the suggestion of her husband, she learned how to use a computer from her childhood friend Odagiri.Every Tuesday, when Odagiri was off, he went to school and gradually improved.However, as the computer improves, the distance between the two approaches.Even though they know it's a bad thing, they are aware of each other, and their sweaty bodies pile up on top of each other.