Takiko Okuda is the first maiden who entered the book of the four gods. She is the maiden of Genbu and the only daughter of Einosuke Okuda. She lost her mother from an illness, and lost her first love. Takiko entered the book of the four gods and found her importance in life. She met the Rimudo Roun, known as Uruki who is one of the Celestial Warrior.
An in depth analysis about Takiko Okuda is listed below. This is from reading the manga of Fushigi Yuugi Genbu Kaiden created by Yuu Watase.