Two years after I joined the lingerie manufacturer, I went on a day trip with my senior, Sasahara, for a business meeting. Before I knew it, I had developed feelings for her, the only one who was kind to me, because I made so many mistakes every day. Even though I knew it was an impossible love, I couldn't help but feel excited about being alone on the business trip. However, the business meeting with the client didn't go well, and we had to stay overnight at the last minute. We decided to return the next day, and we ended up staying alone in the only vacant room we could find...