I came on a day trip with my boss, Mito-senpai, whom I admire, to secure a contract that would determine the future of the company. However, a rival company interfered and we ended up failing. The president was furious and told us not to come back until we secured the contract. At a loss, we decided to look for a hotel to take to the client the next day. However, there was a concert of a very popular idol nearby and all the hotels were fully booked, so Mito-senpai and I ended up staying alone in the only vacant room we could find...