Emi works at a law firm. She has promised her colleague Makoto that they will get married if they pass the bar exam. One day, a man named Ishigami, who runs an illegal loan business, complains about Emi's past defense and pins her down. The next day, Emi goes to consult with her superior, a lawyer, about the matter, but is evaded and Takimoto tells her that he will be closing down the firm soon. Mai is confused when Ishigami visits her again. Together with his subordinates, they commit more sexual acts! Takimoto and Ishigami had conspired and were involved in criminal activities.