You can start by looking on fanfiction websites like Archive of Our Own (AO3). There are a large number of fanfiction pieces there, and you can search specifically for female Miles Morales fanfiction using the search bar. Just type in 'female Miles Morales' and you'll get a list of relevant stories.
Another place could be Wattpad. Many fans post their own works on Wattpad, and it's likely that there are some great female Miles Morales fanfictions among them. You might have to do a bit more digging as the search functionality might not be as refined as on AO3, but it's still a good resource.
Chapter 11 is the strongest chapter-level answer because it starts from After a meeting, Shang Shaojing pinched the bridge of his nose, tired, and... and follows through on Miss Qin, please accompany us to the police station to explain this....
The best chapter pointer here is Chapter 8, "Is He Shameless?". It opens with The resentment that had barely calmed among the crowd surged back two... and closes on Other people with a handsome and charming appearance often try to conceal....
Chapter 710, "Handsome, Who Are You?", is the clearest early answer because it turns Seeing Wen Jiaojiao's situation into a concrete plot event. The chapter turns that into something concrete by moving from The man was wearing the white cotton attire of a beauty salon, the...
Chapter 875, "Isn't That Xu Mei's View?", is the clearest early answer because it turns Jiang Buchen's situation into a concrete plot event. The chapter turns that into something concrete by moving from In the information network of the three people, Lu Yafei and Wan Jia...
If you want the clearest chapter reference, go to Chapter 15. Early on, Jiang Shixu woke up from those nightmares filled with blood and darkness,...; later, the chapter leans on The two sleeping pills he took in the evening had left him with a....
Chapter 868, "The Story of the Old Sea King Coming Ashore", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. A useful checkpoint is the way the scene starts with But despite Jiang Li saying so, the barrage in the livestream didn't...
A practical answer is Chapter 29, because it turns the idea into a concrete scene. The chapter opens with Big brother, it's me..." The shadow suddenly spoke and it was Jiang..., adds pressure through Learning from experience, Jiang Yan chose to stand next to Lin Manru this..., and ends on Big.
Chapter 903, "A Helicopter Came to the House?!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Buchen might barely meet the qualifications to enroll in the...
Chapter 844, ""Lang", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. The chapter turns that into something concrete by moving from He had been married, but his wife disliked his disability and...