Extracurricular sex slave

Nao, a university student looking for a job, has long had a physical relationship with the professor on the condition that he has dreams of for the future and therefore will give him the opportunity to join the company he wants. And I was called to the hotel again that day. There were also men who were considered "friends" who were gathered through the professor's connection. I think I should just hold back now, but the professor will do whatever I want to do to find a job. However, her masochistic nature is seen through, and Nao becomes intoxicated by her falling...