In some cases, it could be due to cultural traditions. For instance, in certain traditional festivals or rituals, boys might be made to dress as girls for symbolic or superstitious reasons. Also, within a family, it could be for the sake of a home - made video or photo project where the family members want to create a fun or unique scenario and the boy is made to dress as a girl.
One possible story could be in a school play. A boy was forced to dress as a girl because there were not enough female actors. At first, he was really embarrassed and reluctant. But as he got into the role, he started to understand the fun of acting and also learned more about the experiences that girls might have. In the end, he did a great job in the play and overcame his initial discomfort.
It's not ethical. Everyone has the right to their own gender identity and expression. Forcing a boy to wear a girl's costume dress violates his autonomy and can be a form of bullying or inappropriate coercion.
He could be confused as well. If he doesn't understand why he has to wear the dress, especially if there is no clear explanation given, he might be left in a state of confusion about the whole situation and wonder what he did wrong to be put in such a position.
One story could be in a school play where the teacher wrongly assumes a boy should play a female role and forces him to wear a girl's dress against his will. The boy feels embarrassed and out of place.
Once upon a time, there was a boy named Tom. His mischievous sister forced him to dress as a girl for a family play. She put a pink dress on him and a wig. At first, Tom was very embarrassed. But as the play went on, he found it quite fun and ended up enjoying the whole experience.
At first, he could be angry. After all, his autonomy is being taken away. But as time passes, he may start to have mixed feelings. He could find some aspects of the girl's clothing comfortable or interesting, while still being resentful of the situation. He might also start to empathize more with girls if he experiences some of the things they do while dressed as one, like the way people interact with him differently or the types of comments he gets.
Perhaps in a story, the boy is forced to dress like a girl as a form of punishment. For example, if he has done something wrong in a very traditional or strict family setting, they might use this as a way to embarrass him. Or it could be a cultural thing where there are certain traditions or superstitions that require a boy to dress as a girl for a specific ceremony or occasion.