Princess Tsubaki, the castle lord's daughter, was hailed as a peerless beauty. Born with healing spiritual power, she gladly tended to everyone's injuries. Her father, however, used her to amass wealth. The poor were turned away at the gates; only wealthy nobles who offered vast amounts of gold and silver could see her and receive her precious treatment. But Princess Tsubaki did not want things to be this way, and so she was unhappy.
Then she met a monster named Nura Rikuo, who had slipped into the castle. Powerful as he was, Rikuo carried her away without anyone noticing. For the first time, she left the castle that had raised her and imprisoned her, and saw the bustling Monster World. Never before had she laughed so freely, so happily, so at ease. That very night, Rikuo proposed to her. He said he had fallen in love with her at first sight and had silently watched her for a long time. Yet humans and monsters belonged to different worlds, and her father would never agree, so Princess Tsubaki hesitated and did not accept.
Later, Hagoromo Gitsune, who lurked within Lady Yodo of the Toyotomi Family at Osaka Castle, became pregnant and sought to increase her demon power by eating the organs of noblewomen, mikos, and young children. She sent monsters to pretend to seek Princess Tsubaki's hand on Hideyori's behalf, asking her to become his concubine, when in truth they wanted the organs of someone with her spiritual power. Princess Tsubaki's greedy father demanded more betrothal gifts. Losing patience, the monsters abducted her by force and killed her father, leaving the castle fallen and its people dead.
Since leaving Hell, Sesshomaru had begun searching, sometimes consciously and sometimes not, for Rin's next reincarnation. At last, he found Princess Tsubaki. By then,