Aoi lost her mother at a young age and lived with her father. One day, when she returned home, there was an unknown man inside. Upon asking, she found out he was an acquaintance of her father's. From that day on, the man stayed in their house, and her father never came back. A few days later, the man's associates arrived, and Aoi learned that she had been sold to settle her father's debt. From that day forward, Aoi was at the mercy of those men...
