Ria's POV

They bend me over the teacher's desk facing the chalkboard. My tits press against the wood and my arms stretch across the surface.

I can feel the cum on my stomach smearing onto the desk and onto the papers still scattered under me.

Wren picks up a piece of chalk. He draws a line down my spine, cool and dry against my sweaty skin, and writes something on my lower back. I can feel the letters forming but I can't see what they say.

"What did you write?" I ask.

"A-plus," he says. "You've earned it."

He pushes into my pussy from behind and the entry after being...