Abnormal solar activity has caused global temperatures to plummet, winter has persisted, and daylight hours have shortened to 4 hours.
The mutated rays that come with the aurora. **The rays are the most intense at night**, and the human body will gradually mutate after long-term exposure - the nails become keratinized, the pupils are reflective, and the aggression is out of control, and eventually it becomes a **nightwalker**: an empty shell that has no thoughts and only hunts at night. They lie dormant during the day, stiff as statues
How will humans survive in the last days, and where is the future?
