MARIONETTE

It's the near future. The location: Watasumi, an AI-run artificial island built on the ruins of sunken Tokyo, where humans and androids live together. The protagonist, having built up significant debt, is sent to the island to run a brothel. He'll have to run the place well, expand it, mingle with androids, and survive attacks from rivals if he has any hope of paying off his debt, and escaping the island.

A simulation game about running "MARIONETTE", an android brothel. Use your profits to expand your establishment, customize androids, conduct research,
and pay back your loan. The brothel also can come under attack from other organizations, so be sure to beef up security and acquire weapons to protect the place.