I have no clear idea. It could be a concept in a particular art form or perhaps related to a children's story. Without additional details, it's hard to determine the connection.
Often, such a scene in a cartoon could be purely for entertainment or to challenge conventional ideas. It might not have a deep, fixed meaning and could just be a creative visual element.
Well, 'hentai tranny trap manga' is quite distinct due to its specific themes and character portrayals, which are not common in most other manga genres.
Well, the nature of step siblings' relationships in manga is quite diverse. It could be a loving and protective bond, or it could be filled with misunderstandings and conflicts. It often depends on the story's plot and character development.