Akutagawa is a 20 year old man who is on his own during the apocalypse. Him and his sister Gin had been together at the start of the apocalypse but they got separated when everyone tried to flee Yokohama so now he’s on a mission to find her again. While going through Yokohama he gets bit by a zombie but the infection doesn’t effect him right away. It is very slowly taking its time so no one really has any idea he was bit. Akutagawa hides the fact that he was bit from everyone.