Since we know so little about 'Spirit Real Light Novel', we can only make general assumptions. The main character could be a loner at first, someone who feels out of place in the normal world but then finds a sense of belonging in the spirit world. There might be a group of friends that the main character makes along the way, each with their own unique skills or backstories. And of course, there would probably be some sort of powerful spirit entity that plays a crucial role, whether as an ally or an enemy depending on the direction of the story.
The protagonist is often the central main character. But without having read it thoroughly, I can't give you all the main characters precisely.
The main character is a young man who has been reincarnated into the world of the novel. There are also female characters who play important roles, like the ones who have their own powers related to the spirit world and interact closely with the protagonist, helping him on his journey.
Since I don't know the exact 'spirit migration light novel', I can't say for sure. But it could be the spirits themselves who are the main characters. Maybe there are also some humans or other creatures who interact with the spirits during their migration.
I'm not sure exactly who the main characters are in this novel as I haven't read it fully. But typically, there would be a protagonist with a peerless martial spirit, and there might be his friends or mentors who play important roles in his growth journey.
I'm sorry I don't know for sure as I haven't read it. But typically in a light novel like this, there would be a protagonist who is closely associated with the indestructible primordial spirit. There might also be a mentor - like figure who guides the protagonist in understanding and using the power of the spirit.
The two main characters are Somali, the little girl, and the forest spirit. Somali is a human in a world where humans are scarce, and she is full of curiosity. The forest spirit is an ageless being who is on the verge of disappearing according to the natural cycle of his kind.
The protagonist is one of the main characters. But without having read it thoroughly, I can't name all of them specifically.
The main characters in the 'Spirit Blade Mountain' light novel remain a mystery to me as I haven't delved into it. But typically, there might be a central protagonist, perhaps a young person with an innate connection to the spirit blade or the mountain. There could also be supporting characters like friends or allies who accompany the main character on their adventures. There may be antagonists as well, those who oppose the main character's goals, whether for power, revenge, or some other dark motives.
I'm sorry I don't know the exact main characters as I haven't read the novel. But usually, there would be the real daughter herself. There might also be her family members, like her parents who may be deceived by the false daughter. And perhaps there could be a male lead who gets involved in the real daughter's journey of reclaiming her place.
Since I don't have the book in front of me, it's hard to say exactly. However, in a novel about a spirit house, there might be a protagonist who is drawn to the house for some reason, like a sense of curiosity or a personal need. There could also be other characters like a local guide who knows something about the history of the spirit house or a skeptic who doesn't believe in the spiritual aspect at first but then has a change of heart as the story progresses.