I've been working at a smartphone manufacturer for two years. Today I'm going on a day trip to the countryside with my admired Senpai Higashi. I was happy to be on a business trip alone with my beautiful senior, but Higashi-senpai always had a look of disappointment... And time for business negotiations. I guess I forgot my documents and canceled the transaction. I suddenly stayed overnight and had to go again tomorrow... The misfortune continues, and nearby hotels are full. Finally, I was able to stay alone in one empty room I found...