The novels recommended by Butt Detective were Sherlock and This Is A Weird Thing. These novels were all children's detective works, attracting readers with humorous story language and puzzle games. They all had reasoning and case solving plots, suitable for children who liked to solve puzzles and solve cases.
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.
One reason could be genetics. Just like some people are genetically predisposed to having a certain body shape, some men inherit genes that lead to a larger buttock area.