The 'forced proximity' trope is also quite common. Maybe they get paired up for a project at school or are stuck in a dangerous situation together. This forces them to interact more closely than they normally would. In these situations, their relationship can develop in unexpected ways. It could start as just tolerance but gradually turn into something more romantic.
The 'redemption arc' for Katsuki in relation to Tsuyu can be a popular trope. Katsuki might have been mean to Tsuyu in the beginning, but as the story progresses, he realizes his mistakes and tries to make it up to her. This can lead to a deeper emotional connection between them as Tsuyu sees his growth and change.
One common trope is the 'enemies to lovers' situation. Bakugou's initially aggressive and brash nature can create great tension that later turns into romantic feelings. Another is the 'training partner' trope where the reader and Bakugou train together, leading to a closer bond. And the 'secret admirer' trope also works well, with the reader secretly having feelings for Bakugou while he is oblivious at first.
You can try fanfiction websites like Archive of Our Own (AO3). There are a large number of fanfictions about Tsuyu and Katsuki there. You can search by the ship name or relevant tags.
In these fanfictions, a significant theme is the exploration of their personalities. Tsuyu's calm and collected nature compared to Momo's more studious and sometimes self - doubting personality can create interesting dynamics. Fanfictions may delve into how they complement each other. Additionally, some fanfictions have a theme of mystery - solving. They might be put in a situation where they have to use their wits and quirks together to solve a mystery within the 'My Hero Academia' universe.
One popular trope could be the 'unlikely alliance'. Maybe Fem Foxy and Mike have to team up against a common threat in the fanfiction world they're in. For example, a new animatronic that's causing chaos in the pizzeria.
One popular trope is the 'forbidden love' aspect. Since Light is often portrayed as a complex and morally ambiguous character, the relationship with the reader in a fanfiction can be filled with secrecy and internal conflict. Another trope could be 'power dynamics', where Light's intelligence and influence play a role in the relationship. For example, he might use his charm and wits to draw the reader closer, creating a dynamic where the reader is both attracted and a bit intimidated.
Well, one trope is the 'culture clash' trope. The human has a very different way of life compared to the female Rayquaza. This can lead to interesting situations and character development. Another is the 'sacrifice' trope. Maybe the human has to sacrifice something important to help the female Rayquaza or vice versa. And then there's the 'teaching' trope. The female Rayquaza could teach the human about the secrets of the Pokémon world, like hidden powers or ancient lore.
One popular trope is the 'unlikely alliance'. Diaval, being Maleficent's servant raven, might form an unexpected bond with the OC. For example, they could team up to protect the Moors from an outside threat. Another trope is 'forbidden love'. Given Diaval's loyalty to Maleficent, a relationship with an OC could be seen as going against his duties, adding a layer of drama. And the 'discovery of powers' trope is also common. The OC might discover a hidden power within themselves with Diaval's help or influence, leading to a journey of self - discovery.
There could be a fanfiction where Deku and Tsuyu are paired up for a special mission at U.A. High. In this story, they start to develop feelings for each other as they face challenges and rely on each other's strengths. Tsuyu's calmness helps Deku when he gets too worked up, and Deku's determination inspires Tsuyu.
One popular Bakugou Katsuki crossover fanfiction might be the one where he crosses over with the world of 'Harry Potter'. In this kind of fanfic, Bakugou could be a new student at Hogwarts, with his explosive personality causing all sorts of chaos in the wizarding school. His Quirk could be seen as a unique form of magic there, and he might have to learn to adapt to the new magical environment while also dealing with the typical Hogwarts drama like rivalries between houses.
One popular trope is the 'enemies to lovers' arc. Since Naruto and Sasuke start off with a rather competitive and at times hostile relationship in the original series, it's fascinating to see how fanfiction writers transform this into a romantic connection. Another trope could be the 'power couple' concept. Given Naruto's and Sasuke's incredible powers, in fanfictions they often team up not just in battles but also in facing the challenges of their relationship. There's also the 'fish out of water' trope where one of them, often Sasuke, who is more aloof and reserved, finds himself in situations where he has to deal with Naruto's more exuberant and sometimes chaotic nature in a romantic context.