It might be due to a misunderstanding. Suppose the boy accidentally bumped into the girl and didn't apologize properly. The girl, being hot - tempered, might have overreacted and started to beat him up. Or perhaps there was a miscommunication about something they both were involved in, like a school project where she thought he was slacking off and taking advantage of her hard work.
Some people might immediately side with the girl, especially if they find out the boy was in the wrong first. For example, if he was the one who started the trouble by being aggressive.
In a schoolyard, a boy named Ben liked to spread rumors about a girl, Sophie. He told everyone that Sophie cheated in exams. One day, Sophie found out. She was really angry. She challenged Ben to a fight. Ben thought it was a joke at first, but Sophie was serious. She quickly landed a few blows on Ben's face. Ben was completely beaten up by Sophie. He realized that spreading false rumors was wrong.
Sometimes it could be about justice. If a boy was cheating or being unfair in a situation involving a girl, like stealing her ideas in a school project. The girl might feel so outraged that she takes matters into her own hands and beats the boy up to set things right.
They can focus on themselves. For the boy, he can start working out more, pick up a new hobby like painting or playing a musical instrument. For the girl, she can read more books, learn a new language. By doing things that make them happy on their own, they can start to feel better.
Once upon a time, in a schoolyard, there was a girl named Lily and a boy named Tom. Tom had been teasing Lily for days about her new haircut. One day, Lily had enough. She walked right up to Tom, pushed him hard, and then started punching him on the arm. Tom was so shocked that he didn't even fight back at first. Lily yelled at him, 'Don't you ever make fun of me again!' and then walked away with her head held high.
There was a boy called Jack. One day, for a school play, he had to dress up as a girl. His mother helped him. They chose a beautiful blue dress with lace. Jack also wore a wig of long blond hair. As he got dressed, he was a bit nervous. But when he walked on the stage as a girl character, he got into the role. He even learned to walk and talk in a more 'girly' way for the performance. It was a really interesting experience for him.
One possible story could be that there was a misunderstanding. Maybe in a school setting, there was competition for a spot on a sports team or in a club. The black girl might have felt that she was being pushed aside unfairly, and in a moment of anger, she lashed out. However, this doesn't excuse the violence but could be a context for such a situation.
Often, it's about self - defense. If a girl feels threatened or harassed, she may fight back. For example, if a guy is being too pushy or disrespectful in a public place.
Once, in a schoolyard, a boy made fun of a girl's new haircut. The girl, who was a black belt in karate, swiftly kicked his legs out from under him and pinned him down. He was so shocked that he never made fun of anyone again.