You can try looking on some fanfiction websites like Wattpad or Archive of Our Own. There are often a variety of fanfics about different characters, and there might be some for camilla cow there.
A camilla cow fanfic might also be centered around a mystery on the farm. For example, some of the crops start disappearing at night. Camilla cow decides to investigate. Along the way, she uncovers some secrets about the old barn and the history of the farm. With her determination and courage, she finally solves the mystery and restores peace to the farm.
A 'cow transformation fanfic' is a type of fan - created fictional work. It often involves a transformation theme where a character is transformed into a cow, either through magic, some scientific experiment gone wrong, or other fictional means. This kind of fanfic can be found in various fandoms and is usually written by fans who like to explore unique and often strange concepts within the framework of their favorite fictional universes.
There's no way to tell for sure who Camilla is just from this title. She could be a real person from the past, like an ancestor or a historical figure in a small community.
One common theme is loyalty. Corrin and Camilla often show deep loyalty to each other in these fanfics. For example, in many stories, Camilla will go to great lengths to protect Corrin.
Rather than writing something inappropriate, you can write a story about Camilla's role in certain events in a fictionalized but respectful historical context. Or you could write a story where she is a mentor - like figure, guiding others through positive actions. There are many ways to be creative without delving into the realm of the unethical.
Most fan communities have rules against creating erotic content involving real individuals. Camilla, being a public figure, should be respected, and such fanfic is not in line with good taste and moral standards. It can also cause discomfort to many people who respect her.
You can try looking on some popular fanfic websites like Archive of Our Own (AO3). There are often a wide variety of fanfics for different pairings, and it's likely that you'll find some for Female Corrin x Camilla there.
One common theme is loyalty. Camilla and Corrin often show deep loyalty to each other in these fanfics. Another theme is sacrifice, as they might be willing to give up things for the other's sake.
You can try fanfiction websites like Archive of Our Own (AO3). There are a large number of fan - created works there, and it's likely you'll find some 'camilla tf fanfic' among them. Just use the search function and type in 'camilla tf' to see what comes up.