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Starscream should tell Megatron to keep it down before someone hears his ridiculously loud moaning, but his face is currently shoved into Megatron's plush valve, his helm nearly crushed between shapely thighs.
They were overcharged earlier, accosting each other in the middle of the hallway, kissing furiously until Megatron pulled Starscream into a dimly lit storage closet once he realized they wouldn't make it to the berthroom before fragging right there against the wall.
Starscream grunts in satisfaction as he devours Megatron's glistening folds and swirls his glossa around the swollen frontal nub. Megatron's moans rise in pitch as he grabs Starscream's helm, shoving him deeper into his valve.
Sensing that Megatron is close, Starscream shoves a finger into his slick passage, pumping roughly before adding another, hitting Megatron’s ceiling node dead-on as silky walls ripple around him.
But before Megatron goes over the edge, he snaps out of his pleasured daze, pushing Starscream away and closing his legs, a lovely flush of energon rising to his cheeks.
"Huh?" Starscream raises an optic ridge.
This isn’t the first time this happened. Ever since Megatron miraculously allowed Starscream to touch his valve (which was once before today), he bailed before he reached overload.
"You're dismissed," Megatron says breathlessly, waving a servo.
Starscream sits back on his pedes, frowning. "Did I do something wrong?"
"No..."
"Then let me get you off, you fool. Or do you want to spike me instead?"
Megatron looks embarrassed. "I have a small problem. Not that I expect you to understand."
Starscream sighs loudly. “Help me understand, then.”
“If you must know, there's always an unseemly amount of lubricant when I...well. It's humiliating. Previous berth partners didn’t enjoy it."
Even more arousal surges through Starscream when he realizes what Megatron is talking about.
"Oh, really?" He leans in closer and says sensually, "Well, it certainly won't bother me. "
Megatron stares at Starscream with piercing optics before relaxing again, tentatively opening his legs and displaying his beautiful silvery valve ringed with pulsing red biolights. A steady stream of lubricant trickles from his depths. Starscream immediately delves back in, trailing his glossa up the length of the slit before sucking on the hard anterior node as Megatron throws back his helm and gasps out obscene curses.
When Megatron reaches his peak, he finally lets go, clapping a servo over his intake to muffle his screams, grinding on Starscream's face as lubricant sprays out of his valve like a fountain. Starscream pulls back, drenched, gaping in awe as Megatron writhes beneath him.
“Hhhh S-Starscream,” Megatron moans. “Oh yes…”
“Frag, Megatron,” Starscream breathes, his own valve uncomfortably hot behind his panel.
He rubs Megatron's node in tight circles, extending the overload until Megatron comes again, drenching his servo and the floor. He quickly dives between the warlord’s legs one last time, lapping up his sweet-tasting juices.
When Megatron lets out pained noises from overstimulation, Starscream gives his valve a departing kiss before moving up and pressing his lips to Megatron’s, letting him taste himself.
"That’s what you were embarrassed about?" Starscream says when they come up for air.
Megatron pointedly glances at the puddle beneath him. "It's a mess.”
Starscream kisses Megatron’s neck cables. "A wonderful mess. I think we should do this more often."
After recuperating for a moment, Starscream lazily plays with Megatron's valve, rubbing the swollen mesh and fingering him slowly. Megatron rocks against Starscream's servo, his optics half-shuttered and sultry.
They still have time for one more round.
Starscream is going to have a lot of fun with this new discovery.