They could be in a situation where they have to work together on a project for the school. Karuizawa Kei is initially hesitant because she doesn't trust Ayanokoji. However, as they face difficulties during the project, Ayanokoji's calm and intelligent approach starts to win her over. Their relationship then blossoms from there. For example, they might have to deal with a tight deadline and scarce resources, which forces them to rely on each other's strengths. This shared experience can be the foundation for their growing relationship.
One common theme is growth. They both grow as individuals and as a pair. For example, Hinata might help Tsukishima become more open - minded, and Tsukishima could teach Hinata to be more strategic.
One great fanfic could be 'The Bond Beyond the Court'. It delves into how Tsukishima and Hinata's relationship evolves during off - season training. They start to understand each other's insecurities and strengths better, leading to a deeper friendship that has hints of something more.
I don't know for sure. The ending of such a manga can be quite unpredictable and might not have been revealed yet. You could try discussing it with other fans to get their speculations.
Yes, there are likely some fanfictions out there about Hikari and Kei getting married in the Special A universe. You can try searching on popular fanfiction websites like Fanfiction.net or Archive of Our Own. Just type in relevant keywords such as 'Special A Hikari Kei married' and you might find some interesting reads.