Mafuyu Matsubara was born in Kyoto, Japan. Mafuyu is bold and dominant. She is shown to be kind and caring but she doesn't express herself that much. Her family is average, Her mother died due to tuberculosis, which changed Mafuyu's life. She decided to get stronger by going to gym more often. She is the only child in her family. She prefers to show dominance in terms of sexual activities proving she is bold. When it comes to sex, Mafuyu is the most intense.