My grandfather was in critical condition, and my childhood friend who got a job in Tokyo returned to his hometown (the Tohoku region) after five years. Since he went to Tokyo, our contact gradually ceased, and we had become more than just friends. When we met again after a long time, we sought each other's company to fill the void of those five years. At that moment, my grandfather's condition suddenly worsened, and he contracted SARS-CoV-2...