(Not reborn, not a power fantasy, no System and no harem. The protagonist gains extraordinary powers as he grows, step by step.) A mysterious virus strikes the city. People who breathe in the unknown mist rapidly turn into bloodthirsty zombies, bringing the city to a standstill. With supplies running low and zombies surrounding them, the survivors must fight to stay alive while investigating the source of the mysterious mist and searching for clues to a cure.
