I have always had a feeling like tanjiro and deku acted alot alike Kind of like brothers or maybe cousins or maybe tanjiro is his ancestor hmm let's all think on this 🤔
Yes to part 2. No to telling them. I love when people don't tell the characters everything and they have to reach their own conclussions😊 and not many people do that.
I mean they can still predict and figure things out even if they know it’s another verse. All they know is that it would be a different world than theirs. They would maybe suspect their might be changes but they wouldn’t predict any drastic changes since they would assume not much would change like a parallel world or different characters but with their power system. They ultimately still wouldn’t know what to expect