Some fanfictions might also involve crossovers. Picture a story where characters from Cardfight Vanguard X meet characters from another card - game - related universe. This could lead to all sorts of interesting interactions, like comparing different card rules and strategies, or even having friendly card battles between the two groups.
Romance is also a prevalent theme. Fans often like to imagine a romantic relationship between Aichi and Kourin. So, you'll find many fanfictions that focus on their budding love, with cute moments and relationship - building scenarios.
One common theme is friendship. Since they are characters from the Cardfight Vanguard world, their bond as friends is often explored. Another theme could be support. They support each other in their cardfight endeavors in many fanfictions.
Social media platforms like Tumblr can also be a source. Some fans post their Cardfight Vanguard X fanfictions there, sometimes in the form of short snippets or longer, multi - chapter stories. Just be sure to use the right search terms to find what you're looking for.
The theme of self - improvement is also quite prevalent. Characters in fanfictions often strive to get better at the game. Additionally, there is often a sense of adventure. They might go on quests to find rare cards or participate in special tournaments in far - off places.
One idea could be to create a male OC who is a prodigy in Cardfight Vanguard. He could have a unique deck strategy that no one has thought of before. For example, he might combine different clans in an unexpected way to gain a huge advantage in battles.
I'm not sure specifically which fanfic you're referring to. There could be many out there. You might want to check fanfiction websites like Archive of Our Own or FanFiction.net.
One common theme is friendship. Their relationship in the original series is quite deep, and in fanfictions, it often gets explored further. For example, how they support each other through tough cardfight battles.
Ren could be developed from a solitary and focused fighter into a more social and collaborative one through his interactions with Asaka. His character might become more open - minded and learn to trust others more. For example, he could start to share his card strategies with Asaka instead of keeping them to himself all the time.
There are also some fanfiction aggregator sites that might have 'cardfight vanguard aichi x kourin' stories. However, be careful as the quality can vary greatly. Some of these sites might have stories that are not very well - written or might even violate the original creator's intentions. When you find a story, make sure to read the reviews if available. Reviews can give you an idea of whether the story is worth your time, if the characterizations of Aichi and Kourin are accurate, and if the overall plot is engaging.