The main character is Ryuuji. He plays a crucial role in the story related to the dragon crisis.
I'm not sure specifically as it depends on the particular 'dragon crisis novel'. But usually, there would be a hero or heroine who is at the center of the story dealing with the dragon crisis.
In the 'classroom crisis light novel', we can expect the main characters to be a diverse group. There could be a nerdy student who is very studious but is bullied or overlooked. A charismatic student leader who tries to unite the class during the crisis. And of course, the teacher or teachers who are in charge of the classroom and have to deal with the various issues that come up, like discipline problems, academic challenges, and the complex relationships among the students.
I don't know as I haven't read this light novel. There could be a young hero or heroine as the main character.
In 'Into the Darkness Crisis Novel', there could be a group of diverse characters. There may be a strong - willed leader type who tries to keep everyone together during the crisis. There might also be a more timid character who has to find their courage as the story progresses. And perhaps a wise old figure who provides some guidance in the face of the unknown darkness.
The main characters are Tohru, a dragon who becomes a maid, and Kobayashi, the human she works for. Tohru is a powerful and sometimes clumsy dragon trying to fit into human society. Kobayashi is a hard - working office lady who initially takes in Tohru out of kindness.
There might also be other supporting characters such as the dragon girl's family members if they are still alive in the story. Her father or mother who might be powerful dragons could play a role in guiding her or being a source of conflict if they have different views on her interactions with the human world. Additionally, there could be villains in the story who are either after the dragon girl's power or are trying to disrupt the peace between dragons and humans.
I'm not entirely sure as I haven't read every bit of 'dragon soul light novel', but usually there's a protagonist. This person is likely to be the one who has a special connection to the dragon soul, like being able to communicate with it or having the ability to unlock its power.
I don't have enough information to say who the main characters are. It could be a young adventurer, a wise wizard, or even a dragon itself.
I don't know specifically, but it could be a young dragon tamer.
Most likely, the dragon master is a main character. There may also be the dragon itself as a significant character.