What, or else who laid before her, surprised her visibly. It was, as it seemed, a normal human, dressed into attire not unlike that of a butler's. She immediately associated it's posture and gaze with Sakuya's. "I guess this happens sometimes too.", she thought to herself as she eyed the figure.
After a brief while, she managed to spot a tail, tied to the demon's back. As this was the only indication of the creature's demonic origin, she decided to call him only "butler". When this examination process ended, the butler spoke: "I have been ushered into existence from realms unspoken into a single purpose: serving my Mistress. Even such is my loyalty that any other purpose given to me by Her word will be obeyed in the absolute."
She grinned visibly in satisfaction. This will work nicely. "I command thee to serve me in every aspect of my being, and that is your purpose.", she spoke in a grandiose tone. He nodded and placed himself in the corner of the room, awaiting her next command. Quite pleased, her first command was: "Prepare me dinner!".
A week had passed. Koakuma aimlessly roamed the halls of the library. She hadn't seen her master in person now for an entire week. While this would usually be nothing to arouse suspicion, she had another valid reason to worry.
While the Mistress never came outside out of her own volition, she did so out of necessity. Food would always be prepared on a shared table, the only thing Sakuya had been willing to serve her personally had been tea. But now, she would quite frequently spotted the new butler bringing meals right to Patchouli's quarters. And these meals were getting ever more frequent. This day she already noticed plates of cookies, chocolate, slices of tender meat and so on, all headed to her rooms, and it wasn't even noon yet.
She could somewhat tolerate this "room service", but she also worried for the Mistresses' health. Every plate, filled with only sweets, junk food, meat products and refreshments, returned to the kitchen emptied.
She was thinking of this of this as she walked past The Lady's private quarters' doors. She couldn't help but notice that the doors weren't properly shut, so she attempted to close them. At this moment, a hand grabs her from inside, pulling her into the room and slamming the door behind her.
The person, who pulled her hand, was...