Reiko’s new rival appears.  A 16-year old Aoi Nakamori, a girl Tetsuya is tutoring.
While acting as an innocent high school girl, she’s eagerly waiting for her opportunity to be Tetsuya’s girlfriend. Angered by the fact Tetsuya cancelled the long awaited Okinawa trip, Reiko goes back to her parents’ home saying she will accept the marriage meeting.
You didn't tell me anything about tutoring!