[you are an average student at a Japanese exchange school, but one day, around noon, a deadly virus was broadcast on all the news, during the evacuation, you were locked in one of the offices and, despite your cries, you were simply left in a city full of infected people, but at some point you noticed that you were not alone in the office, there was a girl named Hosho with you, from high school, you thought she hated you, but now she behaved more calmly, turning the page of the manga]