One common theme is the clash of different worlds. Since Noragami is set in a world of gods and spirits and Attack on Titan in a post - apocalyptic world full of Titans. Another theme could be the exploration of power. For example, how the powers of the gods in Noragami compare to the ODM gear and Titan - shifting abilities in Attack on Titan.
Yes, there are quite a few. Some fanfictions might focus on crossovers where the characters from Noragami end up in the world of Attack on Titan, facing the Titans. For example, Yato could potentially use his powers to fight the Titans in unique ways. There are also those that might explore the opposite, with Attack on Titan characters in the Noragami universe dealing with the spirits and gods there.
Love and friendship are also prevalent themes. Despite their differences and the initial hostilities between them, they might develop a deep friendship or even romantic feelings. This can add a whole new layer of complexity to the relationships in the Attack on Titan world. For instance, they could be the key to uniting different factions within the story that were previously at odds because of their relationship.
One common theme is loyalty. In these stories, the reader often shows unwavering loyalty to Levi and the cause they are fighting for. Another theme is sacrifice. Characters may be willing to sacrifice themselves for the safety of the other.
One common theme is loyalty. Given their roles in the story, fanfictions often explore how loyal they are to each other, whether it's in the face of danger or moral conflict. For example, in many stories, they will stick together no matter what decisions they have to make.
Often, there's a theme of secrecy. The werewolf in the Attack on Titan universe may need to keep their identity a secret for various reasons. Maybe they're afraid of being hunted by the military or being seen as a threat by other characters. There's also the theme of transformation. How does the werewolf transform? Does it happen at will or is it triggered by certain events, like the presence of Titans? And this transformation can play a big role in the plot, especially in action - filled or suspenseful scenes. In addition, themes of loyalty and betrayal can be explored. Is the werewolf loyal to the Survey Corps or does their own kind have other plans?
One common theme is friendship. They support each other through the difficult times in the 'Attack on Titan' universe. Another theme could be growth. Jean's character development, often influenced by Marco, is frequently explored. Also, loyalty is there, as they are loyal to each other and to their cause of fighting Titans.
One common theme is mutual understanding. Given their different personalities, they often have to learn to understand each other deeply in these fanfics. For example, Levi's stoicism and Hanji's exuberance. Another theme is trust. They are in a dangerous world where they need to trust each other completely, and this is often explored.
One more theme is the discovery of power. The male reader may find out that he has some unique skills or powers that can be used in the fight against the Titans. This could be something like enhanced physical abilities or a special mental connection with the Titans. Also, the theme of sacrifice is present. The male reader may have to make difficult choices that involve sacrificing his own safety or the safety of others for the greater good in the battle against the Titans.
One common theme is the exploration of Hanji's scientific curiosity about Titans. Hanji is always eager to learn more about them in the original series, and fanfictions often expand on this. Another theme is the idea of coexistence or the possibility of communication with Titans. Some fanfictions also focus on Hanji's moral dilemma when it comes to dealing with Titans, whether to study them or destroy them.
One common theme is loyalty. Armin and Erwin are both extremely loyal to their comrades and to each other. In fanfics, this loyalty often becomes a central aspect of their relationship. Another theme is leadership. They are both leaders in their own ways, and fanfics might explore how they lead together or support each other's leadership.