Not having read 'the first day of winter story', we can only speculate. It could be a young couple who are having their first winter together and are learning to enjoy the cold days and long nights. Maybe there's a local guide in a small town who shows the newcomers around during the first day of winter, and that guide could be one of the main characters. Or it could be a family with a small child who is seeing snow for the first time on the first day of winter, and the family members are all important characters in the story.
Since I don't know the exact 'the first snow of winter story', it could be a young child who is excited about the first snow. Maybe a family with parents and kids.
I'm not sure as the 'Winter Story' isn't defined in detail. But it could be a family trying to stay warm during a harsh winter, so the main characters would be the parents, children, and maybe an old grandparent.
Perhaps there is a young child who is about to enter kindergarten or first grade. They would be very likely to experience first day jitters. Or it could be an adult who has just moved to a new city and is starting a new job. The main characters are usually those who are in a situation of new beginnings and are feeling nervous.
I'm not sure specifically as I haven't read this story in detail. But it might be about the events that occur on the first day of winter, like how the characters experience the change in weather, the scenery, or some special traditions related to the start of winter.
In the 'king winter story', King Winter is probably the main character. However, depending on the nature of the story, there could be other important characters. For example, if it's a story about a journey, there might be a group of companions who accompany King Winter. These could be a wise old man who has knowledge of the winter magic, a young boy who is eager to learn from the king, and a talking animal, like a wolf or a raven, which could be his guide or messenger.
Perhaps the main characters are a group of friends. They could be planning a big Christmas event in their small winter town. One of them might be a bit of a Scrooge at first, not really into the Christmas spirit, but through the events in the story, like helping the local orphanage or decorating the town square, they come to embrace the joy of Christmas.
I'm not sure specifically as the story isn't well - known to me in detail. But generally, there might be a protagonist who has these 'winter dreams'. Maybe there's also a supporting character who either helps or hinders the protagonist in their pursuit of these dreams.
Since we only have the title 'the long winter story', it's hard to say exactly. It might be a group of villagers. They would have different roles in facing the challenges of the long winter, like the elder who has more experience in dealing with harsh winters, the hunters who try to find food, and the women who take care of the home and preserve food.
Perhaps there are some unique characters like a little snowman named Frosty who becomes friends with the kids. And also a kind old man who lives in a cabin in the woods and gives the kids warm cocoa during their winter adventures.
The main characters are usually a man and a woman. But without more specific information about this 'Winter Love Story', it's hard to give their exact names.