Mayura is the teenage daughter of Makoto Naegi and Kokichi Ouma, and the twin sister of Hisayo Ouma. Incredibly intelligent, but also incredibly cruel, she suffered a massive head injury as a child which damaged the frontal lobe of her brain. This has led her to believe she's a psychopath although she shares few psychopathic traits. She fully immerses herself in her talent, and believes she's good for nothing else.