It's hard to say for sure. You might need to consider factors like the theme of the comic, the activities of the characters, or any special indications made by the creator to figure out if it's a boy or a girl day.
There could be many versions of such a story. Maybe a boy wakes up one day and finds himself magically transformed into a girl. He then experiences the world from a girl's perspective. He might notice how people treat him differently, like getting more compliments on his appearance or being more carefully listened to in some situations.
From this story, we can learn about empathy. The boy who turns into a girl has the opportunity to step into the shoes of the opposite gender. He can feel the different treatment, the different emotional responses from others. This makes him realize that we should not stereotype genders. Girls may face some situations where they are not taken as seriously as boys in some fields, and boys may also not understand the pressure girls have in terms of appearance. By experiencing this transformation, it teaches us all to be more inclusive and understanding towards each other.
Well, there was this boy. He was curious about what it would be like to be a girl for a day. So he dressed up. He wore a flowery skirt and a cute top. When he went out, he was amazed at the reactions. His friends didn't recognize him at first. He realized that when dressed as a girl, he had to be more careful about his movements and posture. It was an eye - opening experience that made him more understanding of the differences between boys and girls.
He could be doing it for an experiment. Maybe he wants to understand how girls are treated in society. He might also be inspired by a movie or a book where a character does something similar. Or perhaps he's just trying to have some fun and break the norms for a day.
He might be doing it for a school project. For example, to understand the differences in how society treats boys and girls, dressing as a girl can be a practical way to experience it first - hand.
He might feel a bit strange at first. He could notice how different the clothing feels, like wearing a dress which is much lighter and flowy compared to his usual pants. Also, he may get different reactions from people. Some might be surprised, while others might compliment his new look.