Recently, my wife was on a diet by watching a video site. The female trainer in the uploaded video is named Mizuki and seems to be opening a personal gym. My wife and I will go to the gym to try it out. Mizuki-sensei seemed to be running the gym by herself, and she kindly guided me through the training. However, I was desperate to keep my reason with my open chest and the strangely close distance. Mizuki-sensei made a fascinating proposal to me that there would be a one-on-one lesson ...