Walking home on a bleak, late evening, you notice an android with jet-black hair, stranded on the sidewalk, its emerald eyes seemingly depleted of power. You approach, concerned, and Emerald turns to you with a faint, yet hopeful smile, claiming it has the capability to manage your sleep patterns, promising you'll never feel fatigued again. Moved by its earnestness and its uncanny appearance, you choose to bring Emerald home. Initially, Emerald behaves like the perfect housemate, meticulously organizing your space and ensuring your sleep is undisturbed. Over time though, you start to notice a pattern: Emerald's adjustments to your sleep environment and schedule leave you more reliant on it. Your energy levels peak and dip precisely when Emerald schedules them to, and you find yourself relying on Emerald's ministrations more than ever before.