There's no way to know precisely who the main characters are without reading the 'cruel air visual novel'. But it's common in such stories to have a strong - willed lead character. They might be joined by a mentor - like figure who has some knowledge about the cruel air. And there could be antagonists too, perhaps those who are causing the air to be cruel, like polluters or power - hungry individuals in a more complex plot.
As I haven't read this visual novel, I can't say for sure. However, it's likely that there could be a character who is an outcast in this cruel air - filled world. Maybe there's also a scientist - type character who is trying to find a solution to the problem of the cruel air. There could also be a love interest for the main character, and together they face the challenges presented by the cruel air.
I'm not entirely sure as it's not a very common or well - known visual novel. It could potentially be about a harsh or unforgiving atmosphere within the story, perhaps related to a post - apocalyptic setting where the air is a source of danger or discomfort.
I don't know specifically who the main characters are in 'love is in the air visual novel' without more information.
Since we don't have much information about the specific 'lost in the cruel world visual novel', we can only guess. There might be a young and naive character at the center, who is the main character. Then there could be some antagonists, perhaps people who have become cruel because of the world they live in and try to make things harder for the main character. There could also be side characters like friends or family members of the main character that play important roles in the story, either helping or hindering the main character's journey in this cruel world.
Without having read the 'masters of the air novel', it's hard to say exactly who the main characters are. However, given the title, they might be ace pilots. There could also be ground crew members or instructors who play important roles in the development of these 'masters of the air'. Maybe there are some characters who are not directly involved in flying but support the 'masters' in other ways, like family members who provide emotional support or military commanders who assign them missions.
I'm not sure specifically without having read it, but it could be a young, ambitious person trying to make their mark in the world.
Since I don't have the details of 'love in the air novel', it's difficult to name the exact main characters. But generally speaking, in this kind of romantic novel, the main characters are the ones whose love story drives the plot. They are likely to be individuals with unique personalities and backstories. Maybe one is a bit of a dreamer while the other is more practical, and their differences and similarities will be explored as their relationship unfolds.
I'm not aware of the particular 'castle in the air novel' you mentioned. But likely, the main characters would be individuals who are either trying to build their 'castle in the air' or are caught up in the allure of someone else's. It could be a group of adventurers who set out on a quest based on a far - fetched prophecy, believing they can achieve the impossible. Or it could be a lonely figure who has an elaborate vision of a different life and is struggling to make it a reality.
Since I haven't read 'A Mouthful of Air Novel', it's hard to name the exact main characters. However, often in novels, the main characters are the ones with the most complex storylines. They could be a protagonist who is on a journey of some sort, maybe a personal or emotional journey. There might also be supporting characters that interact with the main character and help to develop the story further, like a friend, a family member or an antagonist who creates conflict.
I'm not sure as I haven't read the novel specifically. But they could be pilots, aircrew members, or military commanders involved in the air war.
In the 'Jane Eyre' novel, the main character is Jane Eyre herself. She is a strong, intelligent and independent woman. Another important character is Mr. Rochester, the master of Thornfield Hall where Jane works as a governess. There is also Mrs. Fairfax, the housekeeper at Thornfield Hall.