Fukiishi, who just joined the company and is still inexperienced, begins to fall in love with his senior, Kuon, who always kindly supports him. One day, the two of them go on a business trip together, and Fukiishi is excited, but at the last minute, he makes a regrettable mistake by only reserving one hotel room. Kuon tries to find someone else, but Fukiishi stops him as he is about to leave...!?