An unknown virus breaks out and spreads rapidly. Humanity's resistance is exceptionally difficult, but a type of equipment called Armor, which appeared after the catastrophe, gives humanity a glimmer of hope. Before the catastrophe, Sihai was just an ordinary low-level wage earner. By a twist of fate, he wakes up thirty years after the disaster, still unaware that the world has changed...
This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.