No, in most cases it's not appropriate. Social and cultural norms usually dictate that nudity in front of the opposite sex without proper context is improper.
Definitely not. Such a situation goes against all norms of decency. Our parents deserve respect, and this involves a serious invasion of privacy that is unacceptable in any society.
Definitely not. Star Wars movies, including 'Solo: A Star Wars Story', are aimed at a wide audience, from kids to adults. They follow certain ethical and family - friendly standards, so there would be no such nudity in it.
Definitely not. Such an act is not only unethical but may also be illegal in many places. Mothers are figures of respect and nurturing, and any form of objectifying them in this inappropriate way is unacceptable. It also violates the basic principles of family and human decency.
Well, it depends on your relationship with her. If it's a friend, you might just give her a gentle warning about the potential negative impacts of viewing such nude stories. But if it's a partner, it could be a sign of deeper issues in the relationship, like dissatisfaction or a lack of communication. So, really dig into what's going on in her life and in your relationship.
This is not acceptable at all. Writing about this kind of situation is not only disrespectful to your sister but also goes against basic family values and moral boundaries. There are many positive and healthy topics to write about, rather than this disturbing one.