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“Are you sure this will be comfortable for you?”
Your hand trailed over the large dark gray folds, the lubricant between them shining under the soft red of Starscream’s biolights.
“I was the one who came up with this idea, was I not? Surely you aren’t scared, pet?”
Your eyes met his glowing red optics, a smug look on his faceplates as he leaned back on the wall behind the berth.
“I’m not scared of your pussy, Screamer. I just don’t want you freaking out with me inside it.”
“We’ve discussed this already. Now either come inside or entertain me, I’m beginning to tire of this conversation.”
“Yeesh. Yes sir, Lord Starscream.” you mocked, snickering a little as his biolights pulsed and his valve seemed to grow slicker at the use of the title.
“Just get to it!”
You made a joking salute at his growl and used one hand to push open what appeared to be his equivalent of a labia minora, revealing more of the large, wet hole beneath. His protomesh felt remarkably similar to the wet skin of your own parts when you’d pleasured yourself, yet also had this different quality to it. There was a bit more of a drag to it compared to your own, even when wet, though it certainly wasn’t rubber…whatever it was, it was definitely stronger than the tender skin you had between your legs.
You pressed your free hand into the hole as your face squished against the warm, glowing node that sat at the crest of his valve, nuzzling at it as you felt the first touch of his heated insides, warmer than humans but thankfully not hot enough to do damage to your skin.
“Pet…”
His voice was annoyed, but it was easy to hear the way arousal tinged his growl as he trailed off. Impatient as usual. You rolled your eyes as you dragged your tongue over his node, feeling his insides shift as you let your other arm begin to slip in him.
And oh, it was so much more noticeable how hot he felt on the inside when you had both arms inside. He was hot, so much more than his metal frame would imply to those who didn’t know cybertronians the way you did. And it was the allure of that heat surrounding your entire body that made it easy to gain the courage to duck your head between those folds and take the plunge between them. It reminded you almost of stepping into a hot bath, with the way the wet heat surrounded your head and arms and the way your body became easily coated in the lubricants from his valve.
Now, admittedly, when it came to pushing the rest of your body in, there was some difficulty. Size difference meant that he wasn’t quite tight around you, at least not at the current area of the channel where you were situated. So despite your rocking and attempts at squirming, you found yourself struggling to push your body in amongst the slickness of his valve. As you tried and tried, you could feel a soft rumble of the passage surrounding you, even a little bit of clenching. He was probably laughing at your struggle as you were essentially shaking your ass around just trying to get into him. Jerk!
You jerked slightly as clawed fingers gently pressed on the back of your ass and began to push. Your shoulders and chest sink easily into the silky heat of his hole. Nipples dragging on the hot walls. One finger even dipped between your legs, letting the smooth metal glide against your cunt, and forcing a moan from your lips as you ground against it. He pushed at you again and it brought you up to your stomach inside the hot warmth of his body. Leaving nothing but your ass and legs out in the cold as you could do nothing but grind and squirm, caught between the press of his large digit against your fold and clit and the hot, squeezing heat of his valve. It was torture truly, torture in the most pleasant form you could think of.
Another rumble went through you. Was it a moan? Laughter? It was hard to hear with the way his inside surrounded your head. Your legs squeezed around his finger. Begging for him to just keep sliding it between your legs as you ground against it. Just a little more friction, please just a little more, was all that consumed your thoughts now. The heat had driven out any sense of prior coherent thoughts you’d had before being put inside him. Please, more!
All it took then was for him to apply the slightest bit of pressure and your legs tensed and squeezed. Stars popped behind closed eyelids as you came on his digit, clenching on nothing with your moans swallowed up by the walls of his valve.
As he pulled his digit away, you could feel your legs shaking. It was then that he took hold of them both with his servo and pushed you in completely. Engulfing your entire body inside the wet warmth of his valve.
Then there was movement, rocking back and forth, and a rumbling that seemed to pass through your entire body. Could it be his engine? You weren’t sure what it was. The rocking grew more and more intense. Finally, you could hear him cry out loud enough to be heard despite your position. A flood of lubricant soaked your naked body as he clenched down on you, and even from behind your eyelids his deep red biolights seemed to glow brightly.
You could feel him pant, his fans seeming extra loud now that you were inside him.
Eventually, as his panting slowed, and his fans grew quiet, there was a soft “Shk!” and the little light from outside his valve was cut off. So, looks like he would be keeping you in for a little while longer then, huh?
You hummed softly, eyes opening to look at the soft glow of the lights around you as you shuffled your body around in an attempt to get comfortable. Surely since he closed you up in there he wouldn’t mind if you decided to take a little nap? And, well, if he decided to complain about it then you would happily tell him that it was his choice and you’d respect it. It had been his idea after all.
(But you figured that after this, there was no way he’d let things go back to the way they were before.)