A protagonist who is not invincible, nor is he the "Chosen One." When he woke up, he found that he had lost his memory and that the world was also occupied by the zombie virus. He wanted to find a place to hide and live in seclusion until he grew old, until a strange little sister accidentally broke into his hiding place and helped him attract a group of zombies...
Concept: Flowers blooming on ruins are often more beautiful; emotions witnessed in times of crisis are often more moving.