"Otogimoyou Ayanishiki Futatabi" is a historical fantasy manga set in the Heian period of Japan, blending supernatural elements with courtly intrigue. The narrative centers on Ayanishiki, a young woman who serves as a courtesan in the imperial capital. Her life takes a dramatic turn when she becomes entangled with onmyōji, practitioners of esoteric rituals and spirit manipulation. Ayanishiki discovers she possesses a unique ability to communicate with spirits, a power that draws the attention of both allies and adversaries within the imperial court.

The story unfolds as Ayanishiki navigates the complex political and spiritual landscape of the Heian era. She encounters various supernatural entities, including malevolent spirits and divine beings, while also dealing with the machinations of court nobles who seek to exploit her abilities for their own gain. Her journey is marked by a series of challenges that test her resolve, morality, and understanding of the spirit world. Along the way, she forms alliances with other characters, including skilled onmyōji and fellow courtesans, who aid her in her quest to protect the balance between the human and spiritual realms.

The manga delves into themes of power, loyalty, and the interplay between the seen and unseen worlds. Ayanishiki’s growth as a character is central to the narrative, as she evolves from a passive observer to an active participant in the struggles around her. The plot is driven by her efforts to uncover the truth behind her abilities and the larger mysteries of the spirit world, all while contending with the dangers posed by those who wish to control or destroy her. The series combines historical authenticity with fantastical elements, creating a rich tapestry of intrigue, action, and supernatural phenomena.