Kayo Iwasawa is a close friend from my childhood who lived next door and is now married. But it wasn't until she married someone else that I realized I had liked her for a long time. After a while, I also got married, but I always regretted not confessing my feelings to her sooner.
Some time later, Kayo returned to her parents' house, and seeing her every day through the window made me very emotional. After visiting her house and talking, it seemed like she also liked me back in the day, and then I revealed everything I had kept hidden for so long...