It might also be Chris Yukine. She has a complex personality and a strong set of skills. In the fanfiction, she could be the one who is most intrigued by the gamer elements and tries to use them to her advantage. She could be the driving force behind exploring how the gamer aspects can be integrated into their fight against the Noise.
Maybe a new character could be the main character. A gamer who gets transported into the Senki Zesshou Symphogear world. This character could have unique knowledge of gaming mechanics that helps the existing characters deal with new threats or challenges. They could introduce new strategies and ways of thinking that are based on gaming concepts.
Well, it could be about the characters from Senki Zesshou Symphogear suddenly finding themselves in a gamer - like world. Maybe they have to level up their skills in a new way related to their symphogear powers.
Lucy could also be a great main character. She's already smart and strategic. With the addition of a gamer ability, she could use her celestial spirit keys in more creative ways. For example, she could unlock new forms or powers for her spirits by completing in - game - like quests related to them. She might also be able to manage her magic energy more efficiently, like a gamer manages resources.
It could be an ordinary gamer who has spent countless hours playing Fate - related games. So when they are transported to the Fate universe, they are the main character.
It could be an ordinary human gamer who suddenly finds themselves as a Hollow in the Bleach world. They would have to adapt quickly, using their gaming instincts to survive.
A hardcore gamer who has spent countless hours playing zombie survival games. They would have the skills and knowledge to quickly adapt to the real - world apocalypse situation.
Rukia could be the main character too. As a shinigami, she could be drawn into a strange gaming - like dimension. Her knowledge of the Soul Society and her ice - based zanpakuto powers would be useful in this new and unfamiliar environment. She could also have to deal with her own insecurities and past while trying to navigate through the gaming - inspired challenges.
Bakugo could also make an interesting main character. His explosive personality combined with a gamer ability would be really cool. He could be super competitive in the 'gamer' aspects of the story, like ranking up in a hero - ranking system that works like a game. And he would be all about proving he's the best, not just in real - life heroics but also in the game - like challenges.
It could be a new student at U.A. High School. Maybe someone who was a hardcore gamer in their previous life and now has to adapt their gaming skills to the hero world. They would have unique ways of approaching hero training and battles.
It could be an original character created just for the fanfiction. Maybe a nerdy gamer who has always dreamed of being in a world like Highschool DxD and suddenly finds himself there with incredible powers.
Another character that could be important is Kakashi. As Naruto's mentor, he could play a role in guiding Naruto through the new 'gamer' aspects. For example, he might help Naruto understand how to use his newfound 'gamer' abilities in real ninja battles, or he could give Naruto special 'gamer' - related training missions.