Jojo's Bizarre Adventure's Part 8 JOJOLion wrapped up a few years ago, but eagle-eyed fans may have spotted hints about the part long before its debut. Series creator Hirohiko Araki has been working on the franchise for decades, expanding it into one of the most popular manga series ever created. Araki often seems to have some idea of what he wants to do next figured out pretty early, but it seems that when it comes to part 8, he was almost five years early.
https://screenrant.com/jojos-bizarre-adventure-part-8-jojolion-plans-spoiled-early/