So, later, Ueno-san is unequivocally one of the greatest scientific and technologic geniuses that the world has ever seen; but, at the outset of the back-story, she's just a bored, unmotivated kid. I guess that we're going to see a transformative experience of some sort.
Meanwhile, I feel sorry for her friend, who was so eager to be with her in the rhythmic gymnastics club.