Metronome [mf][age?]

She felt her face flush, and the music teacher smiled. The room’s quiet pushed down on her. Squeezed her. Could he hear her heart pounding?

Moments ago, she was convinced that it was ridiculous to have her pants off on the piano bench and legs up, but now it might be delicious. A few moments more, and the revelation was feet-in-warm-sand, standing on the shores of the extraordinary.

“We will start with largo,” he said, adjusting the metronome.

The arm began to tick back and forth with a single feather attached. She gasped, staring up at him with sudden adoration. Each brush of the feather on her most sensitive places made her mind open a little more to what promised to be beautiful, swirling symphonies.

Source: reddit.com/r/eroticliterature/comments/e4z4h3/metronome_mfage