I don't know for sure since I haven't read it. But usually in a novel about magics, there could be a young apprentice who is the main character, eager to learn about the seven magics.
In the 'Seven Magics Novel', it's possible that the main character is a person from an ordinary background who discovers they have an affinity for the seven magics. There could also be a villain who wants to use the seven magics for their own evil purposes. And there might be a group of friends or allies that the main character gathers along the way, each with their own skills and personalities that complement the journey to understand and use the seven magics.
The 'Seven Magics Novel' might be about a protagonist who is on a quest to master the seven magics. These magics could be based on different elements like fire, water, earth, air, light, dark, and spirit. The story could include the challenges the protagonist faces in learning each magic, the people they meet along the way who help or hinder them, and how they ultimately use the seven magics to achieve their goal, whether it's to defeat a great evil, bring peace to a war - torn land, or discover the secrets of the universe.
I'm not sure as the 'Seven Centuries Novel' is not a widely known specific novel to me. But generally, in a novel spanning such a long time, the main characters could be from different generations or families that play key roles in different historical periods covered.
I don't know for sure since I haven't read it. But usually in a novel, the main characters could be those directly involved with the seven secrets, either as seekers or keepers of the secrets.
In the 'Secret Seven Novel', the main characters are, of course, the members of the Secret Seven. They are kids with different personalities. There's usually a leader among them who is quite determined and smart. Then there are others, like the one who is always full of energy and eager to explore, and another who might be more cautious but still an important part of the group. Together, they make up the Secret Seven and drive the story forward with their actions and decisions.
I don't know as I haven't read it. It could be a young adventurer, a wise old wizard, or a brave knight.
In the 'Seven Devils Novel', the main characters could include not only the seven devils but also the people who are affected by their actions. For example, there might be a village girl who witnesses the devils' first appearance and then becomes a key figure in the fight against them. Or there could be a group of scholars who study the devils and try to find a way to banish them. It could also be that there is a fallen angel character who has some connection to the devils and is trying to redeem itself by helping to stop their evil deeds.
Not having read the 'Seven Girls Novel', it's impossible to be exact about the main characters. But if we think about it, the seven girls are likely to be the main focus. Maybe there are some supporting characters as well, like their parents or teachers. But the seven girls would probably be the ones driving the story forward, with their own dreams, goals, and conflicts that shape the narrative.
Luna Lovegood can be a popular character in such fanfiction. Her unique view of magic can add an interesting perspective to family magics. Sirius Black is also quite popular. His knowledge of the Black family magic and his rebellious nature make for great storylines. Additionally, Ginny Weasley, with her strong Weasley family ties and her own magical abilities, often features prominently.
I'm not sure as I haven't read it specifically, but they could be kings, queens, knights or sorcerers from the seven kingdoms.
I'm not sure exactly who the main characters are in 'Seven Swords Visual Novel' as I haven't played it. But they could be the sword - bearers, perhaps with different backgrounds and personalities.