If she knew being a teacher would be a pain, why didn't she stick with being an idol?
Yamato Yamamoto, is that meant to be kind of a funny name for Japanese too, like John Johnson, or Kris Kristofferson, Will Williamson?
Also...10.23 in the 100 M would have been Olympic level before the days of Usain Bolt. He would probably be the top sprinter at High School level for all of Japan with a time like that.