Such a concept is highly inappropriate and goes against moral and ethical standards. Manga should be focused on positive and creative themes, not this kind of disturbing content.
This is an inappropriate and disturbing topic. We should avoid such unethical and potentially harmful content.
Maybe it's because she has a unique personality or interesting traits that make for a captivating story.
Maybe it has a unique plot. For example, it could be about the special bond between the siblings that is presented in an interesting way.
One similar novel could be 'My Sister's Keeper'. It also focuses on the relationship between siblings.
Definitely not. Even though it's fanfiction and fictional in nature, it still portrays an unethical and inappropriate situation. There are many other positive and healthy themes that can be explored in fanfiction rather than something that could be seen as promoting harm or improper behavior.
I have no idea what you mean by this combination of terms. It seems quite odd and potentially inappropriate.
The character might have traits like instability, lack of commitment, or incompatible values that make them not marriage material.
Novel material usually refers to fresh, original, and unique content that offers something new and interesting to the readers.
Cardstock is often a great choice. It's thick and provides a sturdy base for the cover art.
It can be seen as inappropriate in many cultures due to moral and ethical reasons.