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Spock dove at Jim's belly again with his mouth, even as Jim fumbled around with his hands trying to pull Spock into some kind of position condusive to sex. His penis ground into Spock's chest hair, wanting attention. But Spock was apparently preparing Jim's middle for something. He was leaving much more saliva across his skin than such body-licking would usually warrant.

Then he hauled himself up and positioned himself so that his erection jutted into Jim's belly fat. His face inches away from Jim's, he brushed a quick kiss onto his bondmate's mouth before thrusting against him.

The smooth, sensitive skin on Jim's stomach was new to the sensation of being fucked, and it was highly arousing to feel Spock's genitalia moving against a part of his body it didn't usually touch. Spock wrapped his thighs around Jim's penis so that it could slide comfortably into the crevice between Spock's buttocks, with Spock's balls resting on top of it. "Mmmmhhh."

Spock ran his fingers into the Jim's thick, graying hair and cradled his head with both hands. It was close enough to a meld for Jim to feel the essence of Spock's being humming away inside his consciousness. He loved this alien so much, this man who had been part of him for so many years... his loyal friend who had fought with him, explored with him, spent shore leaves and quiet nights with him, and was now making love to his stomach.