The girl is the central character. Then there could be a wise old woman who has knowledge of ancient magic or medicine. And perhaps a group of kids at her school who either bully her because of the tail or become her friends and support her.
The story could be set in a post - apocalyptic world where some kind of environmental factor or radiation causes mutations. The girl is one of the unlucky ones who starts to grow a tail. She has to deal with the social stigma and also find a way to survive in this new world.
In some possible 'fox tail girl story' scenarios, aside from the girl with the fox tail, there might be a wise old man or woman in the village. This character could be the one who warns others about the fox tail girl, believing she is a bad omen or, on the contrary, someone who understands her true nature and tries to protect her from those who would harm her. Another potential main character could be a rival fox spirit who is jealous of the fox tail girl's relationship with humans or her special powers.
Since I don't know the exact 'girl with a tail story', it's hard to say who the main character is. But generally, it would be the girl with the tail herself.
The beggar girl herself is obviously a main character. She is the center of the story, and her experiences drive the plot forward.
Obviously, the girl and the wolf are the main characters. There could also be other animals in the forest like birds or rabbits that interact with them.
Well, the little girl herself is the obvious main character. Her parents or guardians could also be important characters, like a loving mother who always encourages her or a strict father who teaches her discipline. And of course, there could be a pet dog that is her best friend and accompanies her on all her adventures.
Obviously, the girl and the shemale would be the main characters. There might also be some supporting characters like the girl's family or friends who react to her friendship with the shemale.
Erza might be an interesting main character for this fanfic. Given her strong will and combat skills, she could incorporate the guitar into her fighting style. For instance, she could use the guitar as a weapon, slashing enemies with the sharp edges of it while also using its music to disrupt their magic.
Gray could also be a main character. He's cool and mysterious. Maybe he falls in love with a new girl in school who is really into art. She's always drawing in the schoolyard, and Gray is intrigued by her creativity. Another possible main character could be Erza. She's strong - willed and might be the one who helps her friends with their love problems while also having her own secret admirer in the school.
In 'fairy tail story', some of the main characters include Natsu, who is known for his fiery and impulsive nature. He has the ability to slay dragons, which makes him a powerful force. Then there's Lucy, who uses celestial keys to call upon spirits for help. Gray is another important character. He is an ice - make wizard and often has a bit of a rivalry with Natsu. There are also other characters like Erza, a strong and fearless female knight - like wizard, who plays significant roles in the various adventures and battles that take place in the story.