You might find Ao Ashi manga on official manga subscription platforms or on some manga apps. But be sure to check for the legal ones to support the creators.
It ends at a specific chapter or volume, but I'm not sure exactly which one. You might have to check online fan forums or manga databases for accurate information.
It depends on how much of the manga's plot was covered in the anime. But typically, start from the next chapter after the final episode of the anime. This ensures you don't miss any new developments.
The main differences are in the pacing and some minor character developments. The anime might speed up or slow down certain storylines compared to the manga.
In a fanfiction, they could be part of a detective duo. Nosaka Yuuma with his sharp intellect and Mikado Anna with her intuition solve mysterious cases in their town. Their relationship could grow as they rely on each other more and more during their investigations.
One good Akari and Yuuma fanfic could be about their adventures in a magical world. They might face challenges together and their relationship could grow stronger through it.
To develop their relationship further in a fanfic, you could start with them having some sort of misunderstanding. Maybe Ashi misinterprets one of Jack's actions. This creates tension which they then have to work through. It shows their ability to forgive and understand each other. Also, having them take care of each other when one is injured or sick can strengthen their bond. And they could exchange cultural knowledge, Jack sharing his samurai heritage and Ashi sharing the knowledge of her former cult. This would bring them closer as they learn more about who they are as individuals within the relationship.