A widow slave who is abused: A widow slave who cries on wax, trembles on whips, and writhes in agony at the peak of sadness

A condominium with a hidden basement equipped with slave training equipment is built, offering it to couples with eye-catching items at a low price. After that, there were despicable, extremely crazy real estate agents who raped their wives, trained them into slaves, and then left their husbands dead, then forced to deal with widow enthusiasts...