As I don't know the details of this 'day of spankings story', I can't say for sure who the main characters are. It could be a parent and a child if it's a story about family discipline.
Since I don't know the exact 'day of spankings story', it could potentially be a story set in a historical context where spanking was a common disciplinary method. Maybe it tells the tale of a child who had a particular experience on a day when they were spanked and what they learned from it. Or it could be a more modern - day story exploring the idea of spanking from a different perspective, like a psychological or cultural one.
I don't know the 'day 9 story', so I can't tell who the main characters are.
In the 'stolen day story', the main characters could range from a family member who has their special day ruined, like a mother who planned a family gathering but everything goes wrong and she is the central figure in this 'stolen day' story. It could also be a traveler who is on a journey and has their day stolen by unforeseen circumstances such as missed flights, lost luggage, and getting stuck in an unfamiliar place.
The main characters could be the animals themselves. Maybe there's a curious little monkey or a majestic lion that stands out in the story.
Since I don't know the exact story, it could be the hunter himself as the main character. There might also be the animals he is hunting, which could play important roles even if they don't have as much agency as the hunter.
Since I don't know the 'spring day story' specifically, I can't say who the main characters are. They could be ordinary people living in a small town, or perhaps they are animals that come out during spring.
There could be a young adventurer as the main character, eager to explore the world in just one day.
Since I don't know the details of the 'girl for a day story', it's hard to say who the main characters are. But surely the girl herself is a main character. There might also be her family members, friends, or people she meets during that day.
Since I don't know the specific 'the day of wrath story', it's difficult to determine the main characters. It could be Gods or deities if it's a religious story about divine wrath.
Typically, the main characters are the kids who participate in setting up and running the lemonade stands.