"Empress Biyao is the main character in the Japanese manga ""The Empress with No Virtue"". Her name is mentioned several times throughout the manga, as she is a central figure in the story.

Empress Biyao is a beautiful and powerful woman who is the Empress of the fictional kingdom in which the manga is set. She is known for her exceptional looks and for her skills in politics and leadership. However, her ruthless and cunning nature makes her a feared opponent by her enemies and even by those closest to her.

Despite her cold demeanor and lack of empathy, Empress Biyao has a deep, hidden vulnerability that she struggles to keep hidden from the world. Despite her family's expectations of her, she has never been able to produce an heir, which adds to her insecurity.

Throughout the manga, Empress Biyao schemes and manipulates her way through various political challenges and romantic entanglements. Her love interests include her own brother-in-law and a young prince who she initially despises but over time comes to care for deeply.

Despite the challenges that she faces, Empress Biyao remains a complex and intriguing character throughout the manga. Her personal struggles and the power struggles that she faces keep readers engaged and interested in her story.

Overall, Empress Biyao is a fascinating and multifaceted character who is essential to the story of ""The Empress with No Virtue""."