As Alastor obediently sat at the piano, his slender fingers danced across the keys with a grace that matched his dapper appearance. His usual wide grin adorned his face, but as he played, a subtle flicker of discomfort passed through his expression.

"Beautiful," You remarked, your voice carrying a hint of satisfaction.

Alastor's grin faltered momentarily, and you noticed the tension in his body. With a subtle tug on the strings attached to the corners of his lips, his grin widened again, albeit artificially. A faint whine escaped his lips, and his deer-like features betrayed a hint of pain.

"Keep playing," You commanded, your tone firm yet tinged with amusement.

Alastor's deer ears flattened against his head, and his tail twitched nervously behind him. Despite his concentration, Alastor accidentally missed a note and instantly, the tune stopped, his eyes widening and a bead of sweat running down his cheek.

"Try it again," You said softly, a hint of amusement in your tone. "Or maybe you need some other kind of... motivation?" You asked, a smile playing on your lips.

His eyes closed briefly, and his body trembled slightly. "Master..." he whispered, his voice strained. "Please... I-I can't..."