When a woman unravels documents detailing bondage and torture from the Edo period, she becomes aware of the twisted sexual tendencies hidden within herself. Aya is synchronized with the paintings of female prisoners depicted there, and masturbates furiously while fantasizing about herself being tortured. Eventually, her desires become reality, and Aya becomes a female prisoner who has traveled through time, nailed to the execution block, and discovers the ultimate pleasure that leads to the depths of pain. A fantasy SM masterpiece from popular actress Ayano Shiomi.