I'm not sure of specific 'Pokemon Serena weight gain fanfic' stories. You could try searching on fanfic websites like FanFiction.net or Archive of Our Own. There might be a variety of stories there.
One common theme could be self - discovery. As Serena gains weight, she might learn more about herself and how she feels about her changing body. Another theme could be the reactions of her friends and Pokemon, like how they support or react to her new look.
One popular 'pokemon weight gain fanfic' could be 'The Chubby Pikachu Adventure'. It's a cute story where Pikachu starts to gain weight in a rather humorous way. The author describes Pikachu's daily struggles and how its friends react to the change.
Another theme is the change in their abilities. Sometimes, the weight gain can either enhance or hinder their pokemon powers, which is often explored in these fanfics. For example, a heavier pokemon might be slower but have more physical strength in a fight. Also, friendship is a big theme. Their friends' reactions to the weight gain, whether it's supportive or not, play a major role in the story. In some fanfics, friends help the pokemon to lose weight if it's causing problems, or they accept the pokemon just as it is.
I'm not sure of specific 'pokemon dawn weight gain fanfic' to recommend directly. You could try searching on fanfiction websites like FanFiction.net or Archive of Our Own. They have a large collection of Pokemon - related fanfics, and you might be able to find what you're looking for there.
Sure, there are. Some 'rwby weight gain fanfic' stories might take a unique approach, like incorporating a magical or scientific reason for the weight gain. They can offer a different perspective on the RWBY characters and their world. It's also important to note that different authors will have different writing styles, so you may need to explore a bit to find the ones that suit your taste.
One popular Pokemon weight gain fanfiction is 'The Plump Pikachu Adventure'. It tells a story about a Pikachu that starts to gain weight in a rather unique situation. Another is 'Bulbasaur's Bulging Journey' which explores how a Bulbasaur experiences unexpected weight gain.
Obviously, Ash is the central character. Pikachu is also often included as Ash's closest companion. Misty and Brock might also be present. They could be the ones who first notice Ash's weight gain and either tease him or try to help him. Other trainers like Gary could also be in the story, perhaps competing with a now - heavier Ash and making snide remarks about his changed physique.
One common theme might be the transformation aspect. Since it's about weight gain, it could explore how Dawn's character changes as a result, both physically and perhaps in her self - perception.
There are 'boyfriend weight gain fanfic' that take a more fantasy - like approach. For instance, the boyfriend might accidentally ingest a magical potion that makes him gain weight. But this new weight doesn't make him any less confident or lovable. Instead, it becomes a journey of self - discovery and the couple's relationship growing stronger as they navigate this new change together.