Aiko Miyahara is 18 years old. - Maiden name: Aiko Yamaguchi. - Her mother died and her father was arrested. - There was no way the relatives who took her in could support her, so her eldest daughter, Aiko, was adopted by novelist Kazuo Miyahara, also known as Masakazu Jinguuji. - From that moment on, Kazuo Miyahara became Aiko's ``father.'' - Even though she was fully aware of the meaning of ``Do not disobey your father no matter what,'' she accepted her harsh fate for the sake of her estranged siblings.