The story could start at a magic school. A boy who is not very good at magic yet accidentally mixes up the ingredients in a potion - making class. This incorrect concoction creates a spell that targets him and starts to transform his physical form into that of a girl. His classmates are both shocked and intrigued, and he has to figure out how to reverse the spell before it becomes permanent.
A 'boy to girl spell story' might begin in a spooky old house. The boy, being adventurous, enters a locked room where there is an ancient parchment with a spell written on it. He reads it out loud, not knowing what it is, and the spell starts to take effect, slowly changing him from a boy to a girl. He then has to deal with the immediate shock and confusion of this sudden transformation.
It might be a story where a boy is cursed by an evil witch to become a girl. The spell could have certain conditions for reversal. As a girl, he experiences things like the different expectations society has for girls, different fashion styles, and different ways of communicating. He has to find a way to break the spell, perhaps by going on a quest to find a magic amulet or a good wizard who can help him.
First, get an idea. It could be a character, a setting, or a situation. Then start spelling it out. Write down some basic details about that idea.
Well, of course, there's the boy who gets transformed. He is usually an ordinary boy at the start, maybe a bit curious or adventurous. Then there's the character who casts the spell. It could be an old, wise wizard with a long white beard and a pointy hat. There are also likely to be the boy's friends. They are initially shocked when they see their friend has turned into a girl but then they might try to help him figure out what to do.
Often, there could be a magical object involved in the spell. Maybe a mysterious amulet that the boy touches, and it casts the transformation spell. As a girl, he might start to see the world from a different perspective. He could experience things like being treated differently by others, facing new social expectations, and learning about the challenges that girls usually face.
A magical object or being often plays a role. It could be a magic wand, a spell book, or a fairy. These elements are important as they are the catalysts for the transformation. Also, the discovery of the spell or the encounter with the magical entity is usually unexpected. The boy might be in an ordinary place like an attic or a forest and then stumble upon the means for the transformation. This adds an element of surprise to the story.
A girl named Sophia was walking in an ancient garden. She came across a stone with a spell carved into it. The spell was in an unknown language. Sophia was curious and decided to figure it out. She spent days researching in the library, finally understanding the meaning. The spell was for summoning a magical creature. She performed the spell with trepidation. A bright light flashed, and a small, friendly dragon appeared. It became Sophia's loyal friend, and they went on many adventures together.
In a magical forest, there was a boy named Tom. He met a fairy who offered him a transformation spell. Out of curiosity, Tom agreed. The spell involved a swirl of colorful lights and a strange incantation. Once transformed into a girl, Tom - now a girl named Tina - realized how different the world seemed from a girl's perspective. She noticed how people interacted with her differently, and it made her more empathetic towards girls in general.
Maybe by spending quality time together, sharing joys and sorrows. Also, through supporting each other in difficult times, that's how they spell love.
Next, come up with a plot. It could start with the city girl visiting the country for some reason, like a family vacation or a work assignment. Their first encounter can be awkward or interesting. As you write, show the differences between them through their actions and dialogues. For instance, the city girl might be used to ordering takeout, while the country boy cooks his own meals from scratch.
There could be a scientific experiment gone wrong. For example, they are in a lab for some school project on teleportation or something similar. But instead of teleporting, their minds or consciousness get transferred to each other's bodies. Another way could be through some kind of alien technology. An alien device that was meant for something else malfunctions and causes their bodies to switch.