Thread by @Tmnt_bb

#tcest #leotello Donnie had wanted to visit the hidden city's library, to pick up some mystic books Draxum had requested. He was teaching Mikey to better harness his abilities, and as much as he loathed to admit it, Donnie was just as excited and interested in it as Mikey was.

Leo had, annoyingly, insisted he come along, something about keeping Donnie on task, which is completely proposterous. Donnie had agreed, rather begrudgingly, and told him to be on his best behavior, for both of their sakes. If they get kicked out of the library Draxum will kill-

Them. As Donnie searched around, picking out books Draxum recommended, and even some Donnie just thought fit the topic he was centering around, Leo remained... surprisingly quiet.

He was sitting around, watching Donnie's search, redirecting him when he got off task, just like he'd promised. It was more endearing than he thought it would be, as well as mildly disturbing. Why was he being so quiet? Why was he actually doing what he claimed he would be??

Leo simply smirked his signature smirk and said, "Well, you've been real busy an' all, and uh..." He suddenly he looked sheepish, "Figured I should give you a break, I guess." And suddenly Donnie is on /fire/

How /dare/ Leo be this considerate, to see when he's too stressed to be able to handle their typical banter and teasing. To notice when he was already stretched past his limit, and needed some quiet time. A break where he could get work done without any distractions.

He shuddered at the sudden wave of want, of /need/ to express his gratitude, but unsure how. The only possibility in his mind now was to show Leo, physically, just how thankful he is for his attentiveness. Of his knowing Donnie so well, of taking the time to accomodate him.

With a discreet glance around him, seeing if anyone was watching him, he suddenly put the books down, before dropping to the ground and swiftly crawling under the table Leo was sitting at. Leo looked startled, frantically looking around as Donnie gripped his thighs, ripping down-

His shorts. "W-Woah hey, Donnie! We can't do this here, you know what Draxum'll do if we get-! aAah-" Donnie was suckling at his entrance now, delicately running his tongue over the lips and gently circling the sensitive nub with his thumb, the places he knows will get Leo limp-

And shaking in no time. The Slider in question had enough sense to bite his tongue and grab a book, hiding his pleasured face and violent blush. His eyes fluttered and his hips bucked against Donnie's face desperately, still afraid of getting caught but not enough to push his-

Twin away. He audibly whimpered as Donnie pressed his tongue inside, finally, eyes rolling as it pushed inside and caressed his sensitive, tensing walls, that thumb continuing to stimulate his clit unhaltingly. With a shaky, breathy keen, he finally dropped, flopping his head-

Against the table with a sigh. He finally got enough of his bearings to say something. "D-Donnie, fuck- Donnie we c-can't do this here, please-"

"Do you want me to stop?" Donnie interupted, rubbing small circles into the stripe on Leo's thigh.

"I want to show you how much I appreciate you, all your effort and care." He whispers, gently licking and kissing his soft thigh.

"By sucking my soul from my dick?" Leo asks with a breathy chuckle, still a little incredulous.

"Precisely. I'll ask you again," He pauses.

"Do you want me to stop?"

Leo shudders at Donnie's tone, sultry and deep and incredibly lustful. How could he say no to such an offer? Donnie always had trouble articulating his feelings, gratitude most of all, so if this is how he felt he could, the least Leo could do was-

Indulge him.

"Nah..." He began, already shaking again in anticipation. "Nah, I guess not-"

He had to hide his gasp as Donnie moved forward again, wrapping his lips around the head of Leo's cock before sucking hard, pressing into the tip with the tip of his tongue.

Leo's whole body quaked at the sensation, and he bit his arm just to moderately stifle his moan, whimpering around it and bucking his hips in desperation. He bit into his arm even harder as Donnie finally took down the whole thing, holding himself down even as he gagged around it

That tight, spasming heat finally had Leo quivering out a whole moan, and his face lit up in embarrassment when he noticed a few people glance at him from around bookshelves. They couldn't see his face, thankfully, but they could /definitely/ hear him.

Every thought of people hearimg him was thrown out the window, however, when Donnie gripped Leo's hips, effectively stilling him, before swallowing around Leo's cock. Leo finally gave into the pleasure, eyes rolling shut as he cried out, whimpering helplessly into the table as-

He tried desperately to thrust into Donnie's throat. The Softshell was moaning too, or trying to, still gagging and choking around Leo's girth, and Leo only whined louder at the image of Donnie jacking himself off under the table, turned on by Leo's taste, his sounds.

Donnie had long since dropped in his shorts, shaking and moaning around Leo's cock. He shoved his hand down into his pants, jerking himself roughly to the sounds and smells and taste of his lover.

He could tell Leo was reaching his peak, and with one more harsh suck, a last devistating swallow and choke around him, the Slider came with a shout, body tensing up and jolting in his grasp. Donnie sputtered and whimpered as cum was shot into his throat, making his choke and-

Jerk his hand even faster, cumming only a couple seconds later, drenching the front of his shorts and hand with thick white liquid. He did his best to swallow everything, not wanting to make a mess and get them in even more trouble than they most likely already were.

He quickly wiped his hand off inside his shorts, licking up whatever excess he may have missed the first time, before crawling back out from under the table. He was met with a tired, incredibly relaxed Leo, smirking up at him with the most smitten look on his face.

They quickly moved to make themselves as presentable as possible, before picking up their books, (Donnie washed his hands first, he's not a barbarian.) And walking out, satisfied and sappy as ever.

The next time they went however, they were quickly sent into a blushing, embarrassed frenzy by a new sign that had been hung near the entance, typed out in blue and purple lettering: "NO DICK SUCKING IN THE LIBRARY!!!"

@Lonelyemochik Thank you for the idea, it's seriously hot af-