Countdown to Death

A man who relies on the system to survive, an abandoned world invaded by demons and undead creatures! Without safe food and water, even breathing can become infected. A large number of prisoners, adventurers, and various infected creatures gathered together. In order to survive, killing is the main theme. It's hard to live! It's even harder to leave! How should a person whose life expectancy has entered a countdown continue to live? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.