Without having read the 'Seven Swords Dominate' light novel, it's difficult to name the main characters precisely. However, in a story like this, the main characters are probably the ones who are either born with a special connection to the seven swords, or they are the ones who discover the swords and take on the responsibility of using their power. They could be warriors, mages, or adventurers who are united by the common goal of using the swords to bring balance or justice to their world.
I'm not sure specifically as I haven't read it in detail. But generally, it might be about the adventures and powers of the seven swords and the characters associated with them.
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.
Since it's a Naruto - related fanfic, Naruto is likely to be the central character. As for the others, it could be characters from the Naruto world who have a connection to the seven swords. Maybe some of the ninja from the Hidden Mist village, as the seven swords are associated with them in the original Naruto lore. There might also be new characters created specifically for this fanfic who are related to the swords in some unique way.
There could be a powerful wizard - like character who has the knowledge and skills to navigate through the complex three - realms world. Maybe there's also a young hero with a special gift or destiny. And there might be some antagonist characters who try to stop the main character from achieving his or her goal of dominating the three realms. These antagonists could be powerful lords or demons within the three - realms setting.
Since I don't know the exact 'Seven Sword Light Novel', it's hard to say. But usually in such stories, there could be a young hero who discovers the first sword and starts the journey. There might also be an old mentor - type character who knows about the swords' history.
Since we don't know the exact plot of the 'Seven Days Light Novel', the main characters could be anyone. They might be students if it's a school - based story. If it's a historical novel, they could be historical figures. There's also a possibility that the main characters are from another world if it's a fantasy story.
The main character is a young man who embarks on a journey in the world of the 'Trinity Seven Light Novel'. The Trinity Seven, which include characters like Arin Kannazuki, Levi Kazama, and others, are the key female characters. They are all powerful in their own ways. Arin Kannazuki might be charming and have certain unique magical traits, Levi Kazama could be more of a serious and powerful mage. Together with the male lead, they form the core of the story, driving the plot forward with their actions, relationships, and the magic they wield.
Maybe there's a group of adventurers, each having a special relationship with one of the spellblades. One could be a strong - willed warrior type, another a clever mage, and so on. Without reading the novel, it's hard to say for sure, but these are common archetypes in such stories.
It's hard to say for sure without reading the fanfiction. But it could be Naruto himself as he is the main character in the Naruto series. Maybe Sasuke could also be involved as he often has his own story arcs. And if it's related to the seven deadly sins and swords, there might be new characters created specifically for this fanfiction that represent each sin and are the keepers or former wielders of the sin - swords.
Since it's about the reign of seven spellblades, the main characters might be the spellblade holders. They could be from different backgrounds, like some might be noble warriors while others could be self - taught mages who discovered their connection to the spellblades. There may also be characters who oppose the spellblade holders, and they too could be important in the story.