There's no way to accurately tell who the main characters are without reading the 'isekai rebuilding project novel'. But if we make assumptions based on common isekai tropes, the main character could be a young adult, perhaps a student or a worker from our world. They might be joined by other characters they meet in the new world. These could include a strong warrior who protects them, a cute and intelligent fairy - like creature that provides magical assistance, and a local noble who offers political support for the rebuilding project.
I'm not entirely sure as it could vary greatly. But generally, in isekai novels, a character is transported to another world. Maybe in this 'isekai rebuilding project novel', the main character is involved in rebuilding aspects of that new world, like its society, economy or magic systems.
Typically, in these kinds of novels, the main character is the person who gets transported to the other world and has a background in pharmacy. Alongside them, there could be a sidekick or a mentor figure in the new world. For instance, a young apprentice in the new world who is eager to learn from the protagonist's knowledge. There may also be antagonists such as jealous local healers who feel threatened by the protagonist's new - fangled pharmacy methods.
I don't know for sure since I haven't read this specific novel. But typically in an isekai story, there's a protagonist who is transported to the other world. So it's likely there's a main character like that in this 'isekai shikkaku novel' too.
I don't know specifically as I haven't read this novel. But it's likely that the main character is someone who is alone in the isekai world.
I don't have enough information to say for sure. It could be a character who has some knowledge or interest in pharmacy.
Typically, in an isekai novel, there will be a main character who has to adapt to the new world. In the case of 'tondemo isekai novel', there might also be some supporting characters. These could be natives of the isekai world, such as a wise old wizard who helps the main character understand the magic there, or a brave warrior who becomes the main character's friend and ally in battles.
The primary character is Touya Mochizuki. In 'isekai no smartphone novel', he plays a crucial role as he is the one who has to navigate this new world with the help of his smartphone. There are also other important characters like the various girls he meets in the new world, such as Yumina Urnea Belfast who becomes his fiancée early on in the story. These characters interact with Touya and contribute to the development of the story, whether it's through helping him in his adventures or being part of the political and social situations in the isekai world.
There could be a maverick character, someone who thinks outside the box and challenges the traditional ways of doing things in the phoenix project. This person might be the catalyst for change and innovation. Also, there might be a mentor - like figure, an older and more experienced person who guides the other characters through the difficulties of the project.
There might be a protagonist who stumbles upon the Lazarus project and then gets involved in its secrets. There could also be antagonists who oppose the project for various reasons, like fearing the consequences or having their own self - interests at stake. Without reading the novel, it's all speculation though.
The primary character is a man who is very much into genetics and has a very structured way of thinking. He is the one behind the Rosie Project. Rosie herself is another main character. She is a bit of a free spirit compared to him, and their interactions form the core of the story.