The Onmyoji's Daughter and the Forbidden Oath

Taisho Era, Year 10 (1921), Tokyo. Akana Akira, the second daughter of the prestigious onmyoji family Aindo-ke, lives under immense family pressure. Unlike her gifted elder sister Reika, Akana possesses low spiritual sensitivity and finds herself trapped in monotonous training sessions with familiars. Her gaze drifts constantly toward the world beyond. On an autumn rainy night, Akana is drawn to an ancient, forbidden torii gate sealed with forbidden incantations. There, she encounters Gingetsu—