If you're watching 極悪女王 (The Queen of Villains), which I highly recommend even as someone who isn't really into wrestling, this is a great article that provides some really interesting background into some of the characters and All Japan Women’s Pro-Wrestling (AJW).
Dump Matsumoto and the Crush Gals: The real-life icons behind Netflix's 'The Queen of Villains'
https://mashable.com/article/queen-of-villains-netflix-who-is-dump-matsumoto-crush-gals