Contract Slave - Wet with the stolen freedom

It's been six years since I started a housekeeping service business. Mariko, who has been dispatched to various houses, visits the Tabuchi family, who is carrying her son Shota, who is in a shut-in. The house is surrounded by a delicate family environment, a single-parent family... A few days later, Mariko feels something is unbearable about the master Tabuchi arguing with Shota, and talks to him that night... He finds out there and falls into Tabuchi's distorted sexual fetishes and true nature without any effort. Mariko struggles to tell anyone, but...