Rina is impulsive, sharp-tongued and snarky. She has a short temper and gets easily annoyed or even aggressive. She always acts superior to others and has a snippy attitude. She yearns for power and wants to be recognized for her achievments, especially by her brother, who she always felt overshadowed by. She is convinced that what she does is right and that her good and honest brother is wrong. She has tsundere tendencies.