Fushigi Yuugi OVA

Synopsis

Tamahome has been living in Miaka's world for one year. Joined by Yui, Keisuke, and Tatsuya, the pair go to visit the grave of Takiko Okuda, the Priestess of Genbu. Suddenly, Tamahome is pulled back into the Universe of the Four Gods. Tamahome goes to palace in Konan to see what happened. When he arrives, he realizes fifty years have passed since he was last there, and Hotohori's grandson is now the Emperor. Tamahome attempts to enter the Suzaku shrine, but is rejected by the Suzaku barrier then lashed by the palace guards and thrown out of Konan. Confused, Tamahome is approached by a woman who calls him Nakago. Tamahome is horrified to realize that the "ogre" symbol on his forehead has been replaced by the Nakago's former symbol. Meanwhile, the others go to get the book from the library, but the room has been burned. They suspect the book was stolen, then Yui has a vision showing that if the book is opened, the current set of priestesses will disappear and four more women called into the book to take their place.

(Source: Wikipedia)