Another reason could be related to human trafficking. Sadly, some girls are kidnapped to be sold into the sex trade or forced labor. These criminals see young girls as vulnerable and easy to control. They might take the girl to another area where they can operate without being easily detected.
There could also be cases where the kidnapper has some sort of mental illness or personal vendetta. For instance, a deranged individual might target a girl because she reminds him of someone he has a grudge against. Or someone with a mental disorder might kidnap a girl in a deluded attempt to start a 'family' of their own.
One possible reason could be for ransom. Some kidnappers target girls from wealthy families, thinking they can get a large sum of money in exchange for the girl's safe return. For example, if a girl's parents are business tycoons, the kidnapper might believe they would pay millions to get their daughter back.
One reason could be revenge. Someone might want to take revenge on the boy or his family by changing his gender. Another reason could be a crazy experiment. Some mad scientist - like character in a story might think it's an interesting experiment to see how a boy would adapt to being a girl.
One possible reason could be revenge. Maybe the girl felt wronged by the boy or his family in some way and decided to kidnap him as payback.
One possible reason could be bullying. If she was constantly harassed at school or in her social circle, it might have driven her to such a desperate act. Another reason might be family issues, like parental neglect or abuse.
One possible reason could be for attention. Maybe she felt ignored in her daily life and thought that such a dramatic story would make people focus on her.
One possible reason could be a misunderstanding or misinformation at birth. For example, if there were ambiguous genitalia at birth, the doctors or parents might have made a wrong assumption about the baby's gender. Another reason could be some kind of psychological experiment by the parents, though this is very unethical. They might have wanted to prove a point about gender being a social construct.
Sometimes, it could be related to family values. For example, if a family highly values modesty and the girl dresses or behaves in a way that goes against that, a haircut can be a form of punishment. It's a physical change that can also potentially lead to a change in her attitude and behavior, making her more in line with the family's values.
One reason could be for ransom. Gangs might think the family can pay a large sum of money. Another reason is to use the kid in their illegal activities like drug trafficking. They may force the kid to be a lookout or a courier.
One possible reason could be that it was a prank by some mischievous kids. They might have thought it would be funny to kidnap (in a not - so - serious way, like a pretend kidnapping) and then tickle the boy just for laughs.
One possible reason could be jealousy. Maybe there was a boy both girls liked in the true story, and this led to the fight. Another reason might be a misunderstanding. For example, one girl thought the other girl spread rumors about her which were actually false. It could also be due to competition, like in a school setting for grades or popularity.
Often, a lack of proper communication skills can be the root cause. Girls might not know how to express their feelings or resolve conflicts in a healthy way. So, when there is a minor issue like sharing a toy or a difference in opinion, instead of talking it out, they end up in a catfight. And in the midst of all the chaos, a wedgie can happen as a form of aggression during the fight.