wait, when did she use a rasengan like move?
When she fought Albiero. But that move is more like a KI BLAST from DBZ than a rasengan.
Ken Akamatsu makes a lot of references to other Japanese pop culture, so it won't be a surprise if there are a lot of similarities.
I agree. I've yet to see any work that's purely original... Everything is influenced by something else one way or another.