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Shiro gasped softly, watching Keith mouth at his thighs and towards his cock. It had been about three years after his bottom surgery, and it wasn't until now that he finally felt comfortable to let his husband see it. Of course Keith understood, never pushed, gave Shiro privacy and never guilted him for the lack of sex.
"Kashi, I've told you before. Sex isn't my priority, you are. I'll wait as long as you need to."
Stars above did he love his husband, and his head tilted back as Keith took his cock in hand and licked the tip. The feeling was muted, but his heart soared when he actually felt the slightest twitch in the appendage.
"Is this ok?" Keith looks back up at him, pressing kisses along his shaft as he does.
"I- yeah, yeah I can- I can feel that, sort of-" He bites his lip, unable to take his eyes off Keith as the man mouths at the tip of his cock before taking him fully down his throat. Shiro moaned Keith's name, the warmth making his hips jerk up a little. He goes to run his fingers through Keith's hair, but his husband gently bats them away. Right, this was all about Shiro. Keith said so.
"Mmmf, nebula…." Shiro groaned again, rocking gently into Keith's mouth. Keith hummed around him, rubbing his thighs and bobbing his head slowly. Shiro felt a heat building behind his navel, and it surprised him with how quickly it was coming.
Keith continued to suck his cock and worship his body, running tender hands along his thighs and the dip where his hips met his torso. Shiro couldn't help himself, he bucked his hips up into Keith as far as he could and came with a sharp cry, feeling his dick throb with every pulse, even when nothing came out into Keith's mouth.
It took a few minutes for his orgasm to pass, his whole body alight with sensations he hadn't felt in years. Keith very slowly pulls off his dick, kissing the tip and then up his thighs to his chest. "How was that, love?"
"Ah- amazing, I felt- I could feel it-" Shiro felt tears forming in his eyes, but Keith pulled him close and held him.
"You did great, baby, I love you so much." Keith shooshes him with gentle touches and words, cleaning the sweat from his forehead and hand feeding him snacks.