In the 'Don't Escape 4 Days in a Wasteland Story', the main characters could range from a tough and resourceful survivalist who has chosen to face whatever is in the wasteland for four days. There might be a young and naive character who is learning the ropes of survival in this harsh environment. There could also be an old - timer who has some knowledge about the wasteland and is guiding the others. It could also be a group of outcasts who have no other place to go and are trying to make the best of their situation in the wasteland over the four days.
I don't know the specific story, so I can't say for sure who the main characters are. They could be survivors, maybe a lone adventurer, or a group of people who got stranded in the wasteland.
Since we don't have much information about the 'Don't Escape 4 Days in a Wasteland Story', the main characters could be a diverse group. It might be a scientist who is studying the wasteland and has decided to stay for four days for research. Or perhaps it's a group of rebels who are using the wasteland as a hideout and are in the middle of some important plot that requires them to stay put for those four days. There could also be a family that got lost in the wasteland and are trying to survive together without escaping for the four - day period.