Yes, there are some out there. However, 'lemon' in fanfiction often implies adult - themed content which might not be suitable for all audiences. You can try searching on some fanfiction platforms like Archive of Our Own, but be aware of the content ratings and warnings.
A frequent theme is probably growth. Both characters might grow individually and together in the fanfiction. For example, they could learn from each other's strengths and weaknesses. Also, the theme of support is common. They support each other through tough times in the story.
Adventure - based themes are also quite common. They go on adventures together and during these adventures, their relationship blossoms. This could be in a fantasy setting, a sci - fi world, or even just in their normal day - to - day lives but with some exciting events thrown in. Their shared experiences during these adventures strengthen their bond and are often a central part of the story.
One common theme is the development of their relationship. It could start from friendship and gradually turn into something more romantic. Another theme is the support they give each other in achieving their goals. For example, if they are in an anime where they have some kind of mission or dream, they might encourage each other in fanfiction.
Overall, the main differences in 'Tenma' lie in some minor tweaks to the story for better visual presentation or to fit the medium. For example, certain scenes might be expanded or condensed, but the essence remains the same.
You can start by finding a reliable source to purchase or borrow the 'Itsuka Tenma no Kuro Usagi' light novel. Some popular options include online bookstores like Amazon or local libraries. Once you have the novel, find a comfortable place to sit and start reading from the beginning. Pay attention to the characters, the plot development, and the unique world - building that the author has created.
One common theme is friendship. Since they are friends in the original Noragami story, fanfictions often expand on their bond, showing how they are there for each other through thick and thin.
One common theme is the idea of redemption. Yato has his own past and flaws, and often in these fanfictions, the female character helps him on his path to redemption. For example, she might encourage him to face his past mistakes and become a better god.