Crimson Railings

On the third planet, unimaginably far away in the vast universe, the stars orbit Earth. A spectacular celestial event known as the "Glorious Star System," seen only once every eight thousand years, unlocks the athletic potential of many rising stars. Only truly outstanding athletes can develop signature skills of their own, and the established order based on height and resources is destined to be rewritten. In 2026, as the NBA declines and the World Cup remains in the doldrums, Zhu Hua's leaders overrule the opposition and launch the "Crimson Fence" plan. They gather middle school students nationwide who truly love basketball for the most brutal and ruthless elimination trials. Beneath a well-meaning yet cruel lie, they will resort to the most extreme forms of PUA against the country's young talents if that's what it takes to restore Zhu Hua's glory to the world stage! And then there's a century of ups and downs for the national soccer team...

Elements (not a fanfic): [Kuroko's Basketball]+ [Left Hand]+ [Blue Lock]+ [Urban]+ [Patriotism]+ [...]