Rio takes her duties as the president of the Millennium Science school council (Seminar) very seriously. She puts facts above her emotions and tends to not let her emotions get in the way of things, never letting them change her mind. Rio is also very dedicated to her goals and would do anything to achieve them, even resorting to breaking the rules if she has to. Rio is a very professional and calculated woman, being very observant and calm in nature, She usually never lets things get to her.