Well, a frequently seen theme is the exploration of their different personalities. Silver might be portrayed as calm and collected, while Mika could be more energetic or impulsive. The fanfiction then shows how they complement each other. Also, the theme of sacrifice is not uncommon, where one might sacrifice something for the other's well - being.
One common theme is loyalty. Their relationship in fanfiction often showcases how loyal they are to each other through various situations. Another theme is growth. They might grow as individuals or as a pair, learning from each other and becoming better.
One common theme could be adventure. Maybe they go on a journey together, facing various challenges and growing closer as a result. Another theme might be friendship turned into something more. They start as friends and then gradually develop romantic feelings for each other.
Another theme is sacrifice. In many fanfictions, either Mika or Yuu is willing to sacrifice themselves for the other's well - being. For example, they might put themselves in danger to protect the other from harm.
One common theme is possessiveness. As Mika is the yandere in this pairing, he often shows extreme possessiveness over Yuu. He doesn't like Yuu being close to others and will go to great lengths to keep Yuu to himself.
One common theme is loyalty. Mika's possessiveness can be seen as an extreme form of loyalty towards Yuu. Another theme is protection. Since Mika is possessive, he often tries to protect Yuu from any harm. And there's also the theme of jealousy. If other characters get too close to Yuu, Mika's possessive nature will make him jealous.
Survival is another theme. Since they are often in a difficult world setting, their fight for survival together and how that impacts their relationship is a key aspect in many Mika x Yuu fanfics. In some stories, they have to rely on each other against powerful enemies and harsh environments.
Adventure themes can be found too. The two characters could go on an adventure together, and during this journey, their relationship evolves. It could be a quest for a magical item or a journey to save their world. Along the way, they learn more about each other and their connection grows stronger.
Redemption can also be a theme. Maybe Silver has a troubled past and through his relationship with Jim, he finds a way to redeem himself. And of course, there's the theme of self - discovery. As they interact, both Silver and Jim might learn more about themselves and what they truly want in life. For example, Jim might discover his true leadership potential while with Silver.
One common theme is adventure. Writers often create scenarios where Ethan and Silver embark on exciting adventures together, facing challenges and growing closer as a result.
Adventure is also a popular theme. Writers might create new quests or challenges for Silver and Tails to face together. This could involve saving their world or another dimension from some sort of threat. For instance, they might have to stop an evil villain from using a powerful chaos emerald for bad purposes.
One common theme is the contrast between the two. Gold often represents luxury, wealth, and something precious, while silver can be seen as more understated but still valuable. Stories may play on this contrast in the characters' personalities or their social standings.