A Brand New World

It has been 20 years since Harmony Joestar Was killed by Harmo-Chara, and ever since that day, Jackson, who has now became Jackie, has been fighting against some people that were deserving of their deaths, and some that weren't, but she would not be prepared for the convergence, that caused the entirety of the multiverse to collapse into a singular world that the omnideity, Herscherr called: Planet Zero.