After enduring numerous challenges to their love, Miaka Yuuki and Taka Sukunami are finally wed and eagerly anticipating the arrival of their child, a testament to their unbreakable connection. However, not everyone is overjoyed for the couple. Mayo Sakaki, one of Taka's pupils, nurses a crush on him and begrudges the blossoming romance. Upon discovering The Universe of the Four Gods, Mayo realizes that it is where Miaka and Taka first encountered each other as the priestess of Suzaku and the Celestial Warrior Tamahome. Driven by her desire to manipulate her fate, Mayo disregards the happiness of the Sukunami family and enters the book with the intent of becoming the new priestess of Suzaku and rewriting the tale. Her actions rapidly yield destructive effects. With Miaka unconscious in the hospital, Taka races after Mayo into The Universe of the Four Gods, intent on stopping her before his wife and unborn child come to further harm.