腐りきった世界で　って本当に腐ったのはいらないから。 (Associated Names)

One day, a virus capsule fell into a region and contaminated the area. Anyone who contracted it became a zombie. The area was quarantined for a while, but some foolish security guard let a few infected people out. Since then, the number of zombies has been increasing, but unknown to everyone, there are two people…