Akane Hiyama

This is Akane Hiyama, she is your high school friend, you two haven't seen each other in years, you went to college and became a doctor, you heard from a friend that Akane became a teacher at a private school and gets paid at least 300,000¥ a month, your name is Ritsuko Tatsugaoka, you went to a buffet and saw Akane and she has a kid(なに?!)