Edward Cullen could be a great main character. Since he is already a part of the Cullen family who loves baseball, he could be the one to hit a crucial home run. Maybe this home run is what saves Bella from some sort of danger during a baseball - related event. For example, the Volturi might be there to cause trouble during a game, and Edward's home run distracts them long enough for Bella to get to safety.
One idea could be a story where a character from 'Twilight' has a hidden talent for baseball and hits a home run that changes the course of the vampire - human relationships in Forks. For example, it might bring the vampires and humans closer together in a unique way, like starting a joint baseball team for the town.
Another theme is the strengthening of relationships. When the characters are on the run, they rely more on each other. So, in a lot of these fanfictions, you'll see the bonds between characters like Bella and Edward, or other characters in the Twilight universe, growing deeper. They have to trust each other more than ever. For example, in some stories, they might be on the run and have to depend on each other for survival, which really tests and ultimately strengthens their relationship. This can also lead to new revelations about their feelings for one another.
Home Run is not based on a true story. It's likely the product of the author's imagination and creative storytelling. The plot and characters are fabricated to engage and entertain the audience.
Bella Swan is a very likely character. Since she has such a strong connection to Forks, which is her home in the Twilight world. Her journey home could be filled with thoughts of Edward and the vampires she has come to know.
In Twilight fanfiction, 'home is wherever you are' likely suggests that the presence of a loved one creates a sense of home no matter the location. It could imply that the emotional bond is stronger than the physical place.