A sudden tragedy that fell on Ai, who was carefully raised with the love of her parents! It was sold off as a debtor, and what was waiting in the new Lord's residence was a box-shaped restraint device that I had never seen! !! Ai, who couldn't move in the box and continued to undergo metamorphosis training relentlessly to the exposed lower body, gradually became fascinated by the owner of the hall and entrusted her body to herself.
