After joining a medical equipment manufacturer, I went on a day trip with my senior, Kimura, to a rural area to do business. I had been in love with her for a long time, she was beautiful, kind, and good at her job. However, my feelings for her were not going to be granted because she had a husband. Even so, I couldn't contain my excitement at being alone on the business trip, but the important business negotiation did not go well, so I had to stay overnight at the last minute. And so, we somehow managed to find a business hotel and ended up staying alone in the only available room...