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.
One common theme is sacrifice. In a ninja world, the characters often have to sacrifice their own personal desires, including their love, for the greater good or for their village. For example, a ninja might have to leave their loved one to go on a dangerous mission.
Sure. 'Naruto' has some elements of a ninja love story. Naruto has his feelings for Sakura in the beginning, and there are also other complex relationships among the ninja characters. It's a very popular anime.
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.
Sasuke Uchiha was a main character in Naruto. His ninja path was the pursuit of power and authority. In Naruto, Ninja Dao was a cultivation method that aimed to improve the ninja's ability and quality through continuous cultivation and training.
Uchiha Sasuke's ninja path was based on power and authority. He sought to become the most powerful ninja and tried to achieve his goal through various means. He betrayed the village to seek his independence and power, and for this, he did not hesitate to sacrifice his own life.
Fans of the Ninja Fire had different opinions about Sasuke Uchiha. Some people thought that his ninja path was an unhealthy way of cultivation and that his pursuit of power and strength was wrong. Others believed that his ninja path was a way to pursue self-actualization. He pursued power and power to realize his own values and goals.
In short, everyone had their own views and opinions on Sasuke Uchiha's ninja.
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.