Located in the basement of a multi-tenant building somewhere in Tokyo, this is an anal slave training center for sexual relief. The women gathered there are trained to be anal slaves that meet the needs of the customers. The training begins with anal masturbation, anal expansion, and public enemas, and then gets more and more rigorous, so that they can also handle special anal play such as double penetration, bondage, and candles, depending on the customer's needs.
