The news of the destruction of the Earth, which had been floating around as nothing but nonsense, came out on the convenience store TV. At that moment, with a bang! I lost consciousness and woke up a few days later, but the city had already turned into nothing more than ruins. ‘Where am I...? And who am I?’ An old man who had died and a tattoo shaped like an ‘eye’ in the male protagonist’s lost memories. In search of his memories, he heads to the shelter with the female protagonist, but will the two protagonists be able to survive the 465 days before the Earth is supposed to be destroyed?