>>48270845I can't imagine it being too difficult. Sure, it'll probably require a lot of hair, but if you know how to make double/Princess Leia buns, Rosa's hairstyle shouldn't be too hard to pull off. You just need to leave some hair out of the bun, for the tails
As for the size of the buns, themselves, idk how achievable it would be. You could use bun donuts, like
>>48291459 mentions, but having them stay on your head would probably be a pain in the ass. Especially if they're very big