Well, class isekai novels typically involve a lot of world - building. The new world the character is transported to has its own rules, cultures, and power structures. The class of the protagonist interacts with these elements. For instance, a noble - class character might have different opportunities and challenges compared to a peasant - class character who is isekai'd.
One characteristic could be unique world - building. In many isekai novels, the 'ga' class might introduce a special type of world with distinct rules, magic systems, or social hierarchies. For example, the world could have a very different concept of time or space compared to our own.
In 'class ga isekai light novel', the main character usually has some sort of special ability or advantage. For example, in 'Re:Zero', the main character can return by death, which is a very unique ability that drives the story forward. And the stories often explore themes like survival, power, and self - discovery as the character tries to adapt to the new world.
Often, these novels have a main character who starts from a relatively weak or normal state in our world and then becomes special in the isekai world. For example, they might gain unique powers or abilities. In many cases, there are also different races and magic systems in the isekai world, which add to the complexity and allure of the story. There are usually various quests or challenges that the protagonist has to face, which drives the plot forward.
One of the best isekai novels is 'Sword Art Online'. It combines elements of virtual reality and isekai, where players are trapped in a game world. The story follows Kirito as he battles through various levels and challenges. Another great one is 'Re:Zero − Starting Life in Another World'. It has a unique take on the isekai genre with its time - loop mechanic, allowing the main character Subaru to learn from his mistakes and grow. 'Overlord' is also highly regarded. In this novel, a powerful gamer gets trapped in the game world as his in - game character, an undead overlord, and has to navigate the new world with his powerful minions.
A key characteristic is the fusion of different worlds. The setting usually involves a food - related place (like a restaurant or an izakaya) that serves as a connection between our world and another world. So there are often elements of fantasy and the real world combined.
I'm not sure about the exact characteristics of'reigokai isekai novel' without reading it. But in general, isekai novels usually have the element of a character being sent to a different world. This new world often has its own rules, magic systems, and species.
One characteristic is the solitary protagonist. In 'hitoribocchi isekai novel', the main character often starts alone in the new world. For example, in 'Solo Leveling', the protagonist initially has to face challenges all by himself.
Since I'm not sure about this specific 'souzai saishuka no isekai novel', generally, isekai novels often have the characteristic of transporting the protagonist to a different world. This new world usually has its own unique rules, magic systems, and cultures. The protagonist then has to adapt to this new environment, which often leads to a lot of character growth and exciting adventures.
In 'isekai yururi kikou novel', the main character usually has to adapt to the new world. They might start from a weak position and gradually grow stronger. For example, they may learn new magic or fighting skills. Also, there is often a sense of exploration as the character discovers the secrets of the new world, like hidden dungeons or ancient prophecies.
The 'isekai guns light novel' often has a sense of adventure. The main character, being in a new world, has to explore and survive. Guns can be a tool for that. They can also be a source of mystery. Sometimes, the guns may not work as expected in the new world due to different rules of magic or physics. This forces the character to adapt and find new ways to use the guns or other means of defense and offense. Also, these novels usually have a lot of world - building. The new world needs to be described in detail, and the role of guns within that world is an important part of the overall setting.