Akari Mitani, a capable but strict female section chief who is disliked by her subordinates, and her subordinate, Kakeru. After Akari suddenly retired, Kakeru happened to meet her at a convenience store near his house and they ended up drinking together. There, Kakeru learns the real reason for Akari's retirement and, touched by Akari's human kindness that he had never known before, and with the help of alcohol, the two become lovers... The two were supposed to have only a convenient relationship until returning to the countryside, but with each time their bodies touch, their feelings for each other gradually change...