en Cuevana 3. Eita, a young businessman, had a smooth business life, but emotionally he was at the bottom of his life. Her fiancé Reiko was having an affair with American IT tycoon. Standing beside him is Marie, the secretary AI doll. Not only was she able to handle a set of accounting paperwork all around, but she also had a secret function that Eita didn't know: the ability to provide SEX support to employees and customers. Their communal life, which began as a way of burying their wounds, nurtures their businesslike relationship and even a bond that transcends the boundaries between humans and androids.