She spins my chair and flicks my glasses off.
Hands on hips, twitchy naked, she glares down at me.
"But I've got to..."
"Fucking right you do!"
We tangle up on the shaggy rug. Her licks, my licks, then licks together.
It's one cum each, but we aren't done. The feeldoe's next and that buzzy little finger toy.

Leaving her curled snug and sleeping at last, a halo of anal beads above her head, I get back to my lecture notes.
I'll need them for tomorrow's class. If I'm not ready, she'll be the first of my students to complain.