Amagawa Sora is a new employee working at a company. Because of a mistake at work, Amagawa Sora had to stay at the company to work overtime every evening. Her superior, the department head, was responsible for monitoring whether her overtime work was effective or not. The job was quite difficult for her, so her boss offered to help, but in return she had to have sex with him to get the best help. Because he felt disrespected, Amagawa Sora expressed his hatred towards his boss who committed sexual harassment. And then one part-time job, she was forced to do adult things by her superior.