Yoshika, a country girl who works part-time at a gas station 30 minutes by bicycle from her home, is taken to Tokyo on the pretense of an interview for a high-paying part-time job, and when she misses her train home, the real story begins. When she explains that the job involves sexual entertainment for a wealthy company president, Yoshika becomes hesitant, but the staff member pounces on her, saying, "Let's practice first."