>>42826515It's actually, more than likely, based on all of these things. The yokai Yama-uba is sometimes depicted with a red kimono and black skin (but not always), she has a lot of similarities to Jynx including an ice affinity. Yama-uba's name is also sometimes shortened to Yamanba which is also a type of extreme Ganguro based on some traditional depictions of dark skinned oni combined with a modern fashion flair. Ganguro is based sort of heavily in some yokai stuff while also being very heavily based in the sort of race oriented ethneofashions of the West as scene through an Eastern lense. IE dark skin is viewed as being aesthetically pleasing and "in" (at least during the time that ganguro was still popular in the late 90s). Ganguro has more or less been displaced at this point by the concepts of Yanki and Gyaru in Japan, both of which are far far more heavily based in Western fashion (even the names are western: Yanki=Yankee, Gyaru=Gal). As a result, effectively, Jynx is very much based heavily in Japanese fashion taking interest in Western things that may or may not include holding People of Color on weird pillars. This is done alongside Japan not really taking issue with racism or racist depictions of people in their own country (the mammy style black face was viewed as completely acceptable there for a long ass time, as an example).
Ironically, there's some amount of argument that can even be made for the concept of the Yokai part of this whole debacle also potentially being racist. Yokai are sometimes based on real world things and the hair types, skin tones, clothing types, incompatible speech, etc of a ton of Oni may have very likely been based on foreigners who found themselves accidentally (or intentionally) in ancient Japan. It wasn't unheard of for people, animals, or things to (supposedly) just sort of float ashore during an era when Japan was at peak Sakoku. African natives would've looked very different and even monstrous to them.