You might want to check out 'Bible Black'. It offers a somewhat complex story within the adult anime genre. But be aware that this kind of anime is targeted at a specific audience and may not be everyone's cup of tea.
Well, it could be a result of jealousy, revenge, or maybe he was forced into it by external circumstances. Without more details, it's hard to say exactly.
Fictions, cartoons, and books are three different forms of art. Although they have some similarities, they are also very different.
A novel is a literary work that focuses on stories, usually through fictional plots, characters, and scenes to convey the author's thoughts and emotions. The novels often involved adventure, romance, science fiction, history, fantasy, and other topics, and usually had a certain plot ups and downs and rhythm.
Animation was a visual art form that was usually expressed through comics, animations, movies, and games. It is usually presented in an exaggerated, humorous, or ironic manner and is often related to traditional culture or myths and legends. The main feature of anime was that it was visual rather than text.
Books were a medium for the transmission of knowledge and culture. They usually included novels, stories, poems, and essays. Books usually cover a variety of topics, including history, science, philosophy, culture, art, etc., and convey the author's thoughts and emotions through words.
There were many types of anime that were good to read in books that could be referred to as the following popular types:
1. Love anime: Love is one of the favorite elements of many readers, so many love anime are widely loved, such as "Your Name","Morning Flower Evening Oath","About my reincarnation as a slime" and so on.
2. Fantasy anime: Fantasy elements are also one of the favorite elements of many readers. Therefore, many fantasy animes have been popular, such as Attack on the Giant, Blade of the Extinguisher, Sword and Sword Realm, and the Index of Forbidden Magic Books.
3. Sci-fi anime: Sci-fi elements are also one of the favorite elements of many readers. Therefore, many sci-fi animes have been popular, such as Gintama, Naruto, One Piece, Dragon Ball, etc.
4. Historical anime: Historical elements are also one of the favorite elements of many readers. Therefore, many historical animes have been welcomed, such as "Attack on the Giant","Ghost Blade","Sword God Realm","Gate of the Stone of Destiny","Naruto", etc.
In addition, there were many other types of anime such as action anime, suspense anime, inspirational anime, gourmet anime, and so on. The readers could choose the anime that suited them according to their preferences.
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.