NHK: Why do I get a second button at the graduation ceremony? NHK: Some women may have received the second button on their school uniform from the man they admired. Everyone seems to have no idea why, so I decided to find out when it started.
Katsuhiko Sano: The story is said to be about a male student in Osaka at the end of the war. He secretly admires the wife of his brother who is fighting on the battlefield. While he is still harboring his secret feelings, he eventually receives a summons. The last thing he handed her was the secondbutton.