The story follows , an amnesiac young woman who awakens in a remote, lavish mansion owned by a wealthy executive. This executive, driven by eccentric and sadistic tastes, has turned his estate into a "house of bondage" where he trains "pets" or submissive maids.

You can find further community discussions and historical data on Anime News Network Bondage Game ~Shinsou no Reijou-tachi~ (2002) - IMDb

If you’ve come across the search term , you’re likely looking for the two visual novels in the Shinsou no Reijoutachi (深窓の令嬢たち) series. These games are known for their mature narrative themes, including psychological tension and bondage mechanics, but many players struggle to find verified, legitimate copies due to their niche status and age.

Shinsou no Reijoutachi (often translated as Young Ladies of the Deep Window or The Sheltered Young Ladies ) is a two-part Japanese adult visual novel series developed by a now-defunct doujin circle active in the late 2000s–early 2010s. The games focus on: