Definitely not. The manga follows the volleyball journey and development of the characters, and Hinata remains an important part throughout without facing death.
A common theme is friendship. Their relationship on the volleyball court is a strong base for a great friendship in these fanfics. Another is growth. They both grow as players and as people because of their interactions. And teamwork is also often highlighted, as they are a crucial duo in the team.
Growth is also a prevalent theme. Both Hinata and Yachi grow as individuals in the series, and in fanfiction, their relationship is often part of that growth journey. For example, they might help each other overcome insecurities and become better versions of themselves.
You can find 'Haikyuu Hinata x Kageyama' fanfics on Archive of Our Own (AO3). It has a large collection of fanfics from various fandoms, and the search function makes it easy to find specific ones like those about Hinata and Kageyama.
One great 'Haikyuu Hinata x Kageyama' fanfic is 'The Bond Beyond the Court'. It focuses on their relationship growth not just in volleyball but also in their daily lives. It shows how they support each other through different challenges.
One great 'haikyuu hinata x kageyama fanfic' is 'The Bond Beyond the Court'. It delves deep into their relationship off the volleyball court, showing how they support each other in daily life. Another one is 'Growth Together' which focuses on their growth as individuals and as a duo, with really nice character development. And 'Sun and Moon' is also popular, as it beautifully portrays their contrasting personalities and how they complement each other.
There's also 'Hinata and Yachi's New Beginnings'. This fanfic focuses on their friendship evolving into something more. It has some really cute moments where they support each other during tough volleyball matches.
I have no definite answer. Sometimes manga series end when the story feels complete to the creator or when publishing circumstances change. So, we'll just have to wait and see.