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okay so. Phoenix and Miles are a good ways into their relationship, and Phoenix is splayed out on Miles like usual when he's feeling touch starved, head in his chest... he takes a nice deep breath and takes in Miles's scent, feels the way his body expands and contracts with every breath, listens quietly to his inner workings... the closeness and Miles's idle hand in his hair as they lie together is so relaxing, it's making Phoenix tingle with happiness...
And then he realizes it's more than just a tingle, it's getting a little hard to breathe and he's feeling warm and his sweatpants feel uncomfortable and a little damp and uh oh
It's fine! He can ignore it! He doesn't want to ruin a lazy afternoon because he got a little horny! But he glances up at Miles to see if he's noticed and Miles has the softest, most blissed out expression, eyes shut, and it only turns Phoenix on more even as he's flooded with a rush of affection
Phoenix lets out a little whine and fights the urge to buck his hips because that would immediately give him away, and Miles lazily cracks open one eye and asks if he's alright. Perhaps his voice is a little too high when he answers, because instead of shutting it, now both eyes are open and peering at him and uh oh,,
Miles's voice buzzes in his chest when he speaks, asking again if Phoenix is alright, and he starts stroking Phoenix's hair, and Phoenix knows he needs to say something before his body does something like spasm with impatience or something equally embarrassing
But to his horror, Miles shifts as he makes to sit up, and the movement pulls a soft little moan from him. Miles immediately halts and looks at him again, taking in his flushed face and dilated pupils and trembling form
Phoenix averts his eyes in embarrassment when Miles shyly asks if he's worked up at the moment, nodding silently. But when Miles doesn't continue, he peeks over again, and Miles has that adorably flustered look with pink dusting his nose and cheeks that means he's working up the courage to say something he thinks is daring
Miles quietly swallows and manages a "go ahead, then," and before Phoenix can ask what he means, Miles has nudged his thigh further between Phoenix's legs and oh, oh man
Phoenix wraps both his legs tight around Miles's single one and shudders when his thigh presses firmly into his crotch, and then he slowly starts to grind, taking fistfuls of Miles's shirt as he hides his face in his chest again and groans directly into him
Miles isn't lifting a finger to help, just... letting Phoenix use him like this, and the thought should not be as arousing as it is. He picks up speed, panting and whining and all but humping Miles's leg, extremely flustered by how little it takes to turn him into a complete mess. Miles still has a hand in his hair, rubbing his scalp or tugging gently every so often as silent encouragement
It's almost enough, Phoenix can feel the ghost of a climax that he won't be able to reach without a little more stimulation. His whines get louder and more desperate and he starts moaning Miles's name as he bucks as hard as he can
He opens his eyes and Miles has the most wonderstruck expression on his face, worked up and amazed and so so in love, and that fuels the fire and starts his build towards orgasm. He begs Miles to say something, so Miles tugs his hair and whispers his name to him in a voice hoarse and gravelly with arousal. That just pushes Phoenix higher, just a little more, he's almost there and he's begging Miles to say something more
"That's it, Phoenix, you deserve it, go on and come--"
And Phoenix throws his head back and loses his rhythm as he tips over the edge, making a mess of his sweatpants, still bucking desperately against Miles to ride out his orgasm and the aftershocks. Once he's too tired to keep moving, Miles starts petting his hair again and gently kisses his forehead
Miles will have to force Phoenix to get up eventually to change, but for now he'll leave him be. He's so glad he gets to bear witness to Phoenix treat himself like this, to be okay with indulging and feeling good. He relishes having Phoenix slumped against him, panting for breath, occasionally squeezing his thigh between his legs and quivering with another residual flicker of pleasure