Kouko has weekends off, while Youji's schedule is irregular. Their timetables never seem to match, and repeated missed encounters have steadily built up sexual tension between them. One day, Kouko returns home from a business trip, and they finally get to spend time together at home for the first time in a while. Unable to resist seeing Kouko in her business suit, they passionately embrace, and their relationship intensifies in an instant...!