Yes, there are numerous 'Harry Potter' fanfictions that are positive and family - friendly. For example, those that focus on Harry's adventures in new magical places, his friendships with Ron and Hermione deepening, or his discovery of new spells and magical creatures. These fanfictions stay true to the spirit of the original books, emphasizing magic, friendship, and the battle between good and evil without any inappropriate content.
The main distinction of porn with a story genre from regular porn is the presence of a coherent narrative. Regular porn often jumps straight to the sexual action, while the story genre tries to add some kind of story framework around it. But in the end, both are adult-oriented and feature explicit sexual content.
Well, it's hard to say for sure. The concept of 'porn-like' is quite subjective. Some might consider certain novels with excessive sexual descriptions as such, but it depends on individual perspectives and cultural standards.
In many places, 18+ porn comics are considered illegal. This is because they can have a negative impact on society and violate moral and legal standards.
Big ass cartoon porn usually focuses more on emphasizing the size and shape of the character's rear end. Regular cartoon porn might have a wider range of themes and focuses.