I still don't forget it. That day, I was so angry and excited that my intestines were boiling back and forth. I had never felt a man's shadow in my wife by 23 years since I got married, and I could say with confidence that he was not interested in anyone other than me at all. But one day at home, I had an off-kai of the Suginami Historical Circle where people I met through my hobbies in history were gathered, and I saw a terrible sight when anger and excitement that I forgot to breathe intersected.