it never occured to me before until I saw some fanart of the inner senshi's parents from the silver millennium. They usually look just like them, like Queen Serenity and Princess Serenity.
It's just a fun thought but what if in this parallel world... Kousagi and the kids are actually the inner senshi and Parallel Usagi is Queen Serenity and those are their mom's?
Chibiusa and real Usagi as Kousagi being sisters? Reminds me of the 90s anime haha. Probably not. I think I killed my own theory haha!
Small irrelevant note I probably won't be responding for awhile, I'm going away because I'm pretty sick and I've been struggling for a while so I'm just going to be gone for a month or so where I can get help and I'll be busy. I hope to come back soon!