100 words, adult, not mine. In which the Master is a selfish lover.
Bent over the environmental control panel while the Master pounds into him, hard, the Doctor braces himself with both hands. "Would it kill you to give me a reach-around?"
"No," the Master says airily. Then he groans. His fingers tighten on the Doctor's hips; his thrusts become rougher as he reaches orgasm.
As soon as he comes, he pulls out and sags against the console, wearing nothing but a smirk. "Go ahead, Doctor," he says. "Give us a show."
He's tempted to just walk away and finish himself off in private, but his hand is already moving on his cock.