A classmates of Takuto who is already married, despite being a high school student. Her husband is the head of gigantic financial company Grand Tonnerre, Leon Watanabe. She is so seductive & voluptuous that she does not behave like normal 15-year old girls. Leader of fourth division of the Glittering Crux Brigade, Adult Bank under name "President". She is a Star Driver & Betrienda is her cybody.
She is married to Leon Watanabe, who is also Simone's biological father and she is aware that Simone wanted to take revenge on her because she made Leon neglect Simone's mother. She used her power to save Simone's life from terrible accident.