Manager Hibiki is good at her job but strict with her subordinates. One day, she was working overtime alone in place of a slow subordinate. The managing director came in and started having an affair. The subordinate happened to come home and secretly filmed it. The next day, the subordinate called Manager Hibiki and showed her the secretly filmed video, threatening her. Hibiki calmly gave the subordinate a blowjob. The subordinate didn't like it and attacked Manager Hibiki in the locker room in the evening. However, Manager Hibiki was able to ignore it as well…