Seven-Day Tour of the End of the World

In this parallel world, everyone lives a peaceful life. One day, everyone wakes up and finds that they have special powers, and a mechanical voice sounds in their mind. "Welcome to the seven-day tour of the apocalypse" For a seven-day mission, please follow the system prompts to find the "ghost" hidden in people's bodies. This is a game that all system hosts can participate in. Please slaughter as much as you like. The inspector will be watching from the side. Please do not disrupt the progress of the game. Players are not allowed to kill each other, otherwise it will be considered disruptive to the game. You can only complete tasks in the game to obtain water and food, otherwise it will be considered disruptive to the game. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.