The rules were simple: you would name a place or a time (or both), and he would tell you what you two could do there and then. Sexually. You turned in his arms to lie on your side, thinking and absentmindedly drawing circles on his skin.
“A class room,” you finally said, smiling slightly - it was the end of May, the exams were over and all your assignments were over, but even then he was still your professor, so the class room as a choice was… positively naughty.
“Time?” he asked, clearly getting interested.
“You choose.”