One common theme is the power dynamic. Since Grimmjow is a powerful character, the fanfiction often explores how a female character either challenges or is in awe of his power. Another theme is redemption. The female character may play a role in Grimmjow's journey towards redemption. Also, friendship or romance is a big theme, showing how a female and Grimmjow form a connection that could be platonic or romantic.
I've heard of a fanfic called 'The Blue and the Orange'. In this, the author does a wonderful job of portraying female Ichigo's strength and how it catches Grimmjow's attention. It's set in a post - war scenario where they have to team up against a new threat. It's full of action and also has some sweet moments between the two characters.
One interesting fanfiction could be where female Naruto and Grimmjow team up in a strange new world. Maybe in a world where the ninja and the hollows co - exist. In this story, Naruto's determination and Grimmjow's brute strength could make for an exciting adventure as they face various challenges together.
Another alternative could be fanfiction that focuses on Grimmjow's backstory. How he became a powerful Arrancar, his experiences in Hueco Mundo before coming to the human world. This can add more depth to his character in a positive and appropriate way.
Yes, there are quite a few. You can start by looking on popular fanfiction websites like Archive of Our Own. Just search for 'female Grimmjow x Ichigo' and you'll likely find a variety of stories with different plotlines and writing styles.
Often, they show a more complex personality. Since Grimmjow is originally a male character, in the female versions, there can be a blend of his original aggression and a more feminine sensibility. For example, in some fanfics, the female Grimmjow might be more in touch with her emotions while still being a fierce fighter.
Some possible titles could be 'Female Ichigo's Encounter with Grimmjow', 'The Bond Between Female Ichigo and Grimmjow', 'Female Ichigo and Grimmjow: An Unlikely Pair'.
One great 'female grimmjow fanfic' is 'Grimmjow's New World' which explores a female version of Grimmjow in a different Soul Society setting. It has interesting character development and unique plot twists.
One popular female Grimmjow fanfiction is 'Grimmjow's Unlikely Ally'. It tells the story of a female character who forms an unexpected bond with Grimmjow in the Soul Society. Another is 'The Female Shinigami and Grimmjow' which has an interesting plot where a female shinigami has to team up with Grimmjow against a common enemy. There's also 'Grimmjow's Female Companion' which focuses on their adventures together in Hueco Mundo.
A good fanfic in this pairing should first have well - developed characters. Since it's an alternate version with female Ichigo, her character should retain some of the original Ichigo's traits like her determination. And Grimmjow should be as fierce as he is in the original. Second, the plot needs to be engaging. It could be a story about them facing a common enemy or just exploring their relationship in a new setting. For example, a story set in a modern human world instead of the Soul Society.