Despite being young, she got a job at a long-established department store, she was also a successful student, but… “Sexual harassment, power dynamics, these people are the worst!”

A Western-style building quietly standing deep in the mountains, the Black Rose Museum. Hired as a live-in tutor, Takamiya spends his days filled with lust with the beautiful women living there. Marie’s wife, Maria’s mother and daughter, and the maid Ara join in, and Takamiya continues to be devoured without rest. Captivated by pleasure, what awaits him beyond is a rosy future or a nightmarish reality…