Rikako has been employed as the new caretaker to a home currently under repair. Whilst the Master of the house is not there to greet her, he sends her assistant to show Rikako around and answer any questions she may have. Despite the assistant’s suspicious behaviour, Rikako is oblivious to the situation and agrees to the job. After a day of cleaning and maintaining the house, Rikako goes to bed and relaxes. She feels a strange sensation on her legs and arms. As Rikako wakes up, it begins. Tentacles wrapped around her limbs tighten, restraining Rikako to the bed. More tentacles emerge, ripping her pyjamas off her body. The naked Rikako squirms in her bindings, struggling to break free. A deep monstrous voice echoes through her mind. This is the Master and he has claimed Rikako for himself tonight…