[Minori Kawanami's series debut!!] Six months ago, Minori lost her mother in a plane crash while she was abroad, leaving her to live alone in the family home. One day, a man who had been engaged to her mother suddenly appears at her doorstep. Though suspicious of his true intentions, Minori finds herself drawn into his actions. Bound tightly, tortured by navel play, forced to wet herself, spanked and trained, and repeatedly creampie-filled—her mind gradually breaks down as she sinks deeper into a world of BDSM filled with tears and suffering. A provocative drama depicting the fall of a beautiful girl through intense, realistic training scenes.