It's only natural that Ueno, the president of her middle school's science club, is also a genius inventor. Nothing seemed to be beyond Ueno's skills, with machines that can transform any liquid into potable water, deodorize the most noxious odors, and even manufacture black matter to be utilized as a method of hiding. She, on the other hand, does not create these inventions for the progress of humanity. Rather, the only thing that inspires her is love, which is a concept she can't completely grasp.