gender-archival:

Jojocoric was coined by Wiki user IronDefender1 on February 13, 2021.

Jojocoric is described as “(Jojos Bizzare Adventure) […]   Are these technically also kingenders, fictogenders and aesthesgenders?”

There wasn’t a flag in the original coining post.

Links:
Wiki: https://lgbta.wikia.org/f/p/4400000000000093558 + https://archive.vn/gTHWr