I don't know as I haven't read the story. But typically, in a story titled like this, Iris might be one of the main characters. There could also be other characters related to Iris, such as her friends, family or enemies.
Since I'm not familiar with this story, I can't really give a proper summary. However, if it's a mystery story, perhaps it involves a complex plot with some hidden secrets in the shadow of a character named Iris. But this is just speculation.
One possible scenario could be that in this high school fanfiction, Ash and Serena form a team to compete against Iris in a Pokémon battle tournament organized by the school. Ash's experience and Serena's elegance might create a unique synergy that gives them an edge, while Iris with her strong and wild Pokémon could pose a great challenge. Maybe there are also some romantic subplots between Ash and Serena as they battle side by side, and their relationship might grow deeper during this rivalry with Iris.
The plot might revolve around a Pokémon sports day at high school. Ash and Serena join forces to take on Iris in a series of challenges. Maybe they compete in races where their Pokémon have to run or fly across the school grounds. Ash's Pikachu could be the star runner, while Serena's Pokémon might have some special abilities for the flying part. Iris, with her dragon - type Pokémon, could be a tough competitor. Their rivalry could be not just about winning but also about proving different Pokémon training methods are better.
I'm not sure specifically as there could be many novels with such a title. It might be about the conflict or contrast between light and shadow, perhaps in a symbolic sense like good vs evil, or different aspects of a character or society that are represented by light and shadow.
In 'Dark Sonic vs Shadow' fanfiction, it often showcases intense battles. Dark Sonic represents Sonic's darker, more aggressive side. Shadow, with his own set of powers and a complex personality, makes for an interesting adversary. These fanfictions usually explore different power levels and the clash of their ideologies. For example, Dark Sonic might be driven by raw power and a sense of chaos, while Shadow is more focused on his own goals and past traumas. The battles can be written in a very dynamic way, with vivid descriptions of their super - speed movements and energy blasts.
I'm sorry, without more information about this particular 'light vs shadow novel', it's impossible to determine the main characters. It could be two individuals named after the concepts of light and shadow, or it could be a group of characters where some are associated with light - like a heroic figure - and others with shadow - like a villain or a mysterious character.
One common theme is the exploration of their rivalry. It's often about how they compete with each other in different scenarios, whether it's a race or a battle of wits.
One great 'Shadow vs Tails' fanfiction is 'The Clash of Speed and Power'. It really delves into their different abilities and how they could potentially face off in various scenarios. The author does an excellent job of building up the tension between the two characters.
Well, 'light vs shadow light novel' could center around the concept of duality. The light might symbolize good, hope, or positive forces, while the shadow could stand for evil, mystery, or negative aspects. It may tell a story of a hero from the side of light facing challenges from the shadowy elements in the story's universe, with lots of plot twists and character development.