Raised by a wet nurse due to a mysterious past, Azusa begins her life as a court lady at the age of twenty. However, her ability to see spirits has earned her the secret nickname Ayashi no Kimi (The Mysterious Lady), leaving her without a master to serve. When high-ranking courtiers stop attending court, claiming to be haunted by supernatural forces, Azusa is drawn into the mystery. Her unusual talent catches the eye of Lord Mitsukage, a charismatic yet scandal-ridden noble trusted by the emperor. Reluctantly, she agrees to aid him in uncovering the truth. But as she delves deeper into the world of courtly intrigue and restless spirits, Azusa realizes that Mitsukage himself may be hiding secrets even darker than the supernatural threats they face... A beautifully woven Heian-era fantasy filled with elegance, mystery, and romance!