I WROTE ONE TOO
"I can't have you grumpy all morning."
"Trust me, grumpy is a mild word." He bit his lip, feeling Sherlock press himself against his back.
He started sucking on John's earlobe, then started moving his wrist, starting with a slow rhythm. John held his breath and when Sherlock's mouth moved to his neck to lick, suck and bite the clean skin, he moaned. John closed his eyes, waiting for the man to continue.
Sherlock's hand wasn't enough for him, and he closed his own around the other man's fingers, guiding him to quicken his pace in response to his need. His other hand was on the tiles in front of him, all thoughts of hidden cameras wiped from his brain.
He turned around and grabbed Sherlock's wet hair to reach his lips for a kiss. He kissed him like he had only dreamed of doing so far.
Sherlock was a bit surprised, but he answered the kiss with the same enthusiasm, never even slowing the hand on him.
John moved his other hand away from the tiles and undid Sherlock's fly, finding its way inside his trousers until he could close his fingers around Sherlock's erection. The man gasped in his mouth, he hadn't given much thought to his own needs until John's hand had started providing a pleasant friction.
John sighed, he was getting close, and when Sherlock's mouth closed around his shoulder and bit him, he almost screamed and then came in their hands. Then he turned and kissed Sherlock again, properly, leisurely, while he undid the belt that kept Sherlock's trousers up, lowered them and his underpants as well, changing hand to masturbate him. He was careful to keep up with what the man wanted, ever careful to every soft moan and gasp Sherlock made, and also to his instructions, which still made too much sense, John mused, at least at first.
"Keep... like that," finally gasped Sherlock, "close," he moaned, biting his lip. Finally there was something that could distract him from his brain, and he came in John's hand.