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Teaching Finn	By : PseudoFace34 Category: +1 through F > Adventure Time Views: 31819 -:- Recommendations : 1 -:- Currently Reading : 0
Disclaimer: I do not own Adventure time nor do I gain any profit from it..

Chapter List
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"Ah! That's it Finn!" Marceline purred, retracting her claws from around Finn. She slowly slid back further, grinding into Finn's mouth. "Now that you've passed the 'pressure' part of the test-ah!-it's time for you to try the 'concentration' part," she said in a fashion rather orderly for someone in this situation. Slowly leaning her head down, she wrapped her snake-tongue around his length. Finn tensed up, and she quickly pulled as much of him in as possible. As he tensed, he stopped licking. "No!" she shouted, "you must concentrate-mmmph!" As she slid back onto him. Still nothing. She let her fangs out just a little, scraping his tip.
"Agh!" Finn squeaked, then realized what he had to do. He again forced himself back into Marceline, making sure to do everything she instructed. Once again retracting her fangs, she continued to bob on his dick, but only enough to make it harder for him to focus.
This continued for a few minutes, until Finn found something he didn't mean to. "Mmmph-ah! Finn! Do that again!" Marceline instructed. Finn found the small bulb-ish thing again, and lightly flicked it with his tongue a few times. He was rewarded with Marceline's moans, and having his head squeezed between her thighs.

Finn continued to Flick and suck on that small bulb, returning every once in a while to the rest of her. Before long, Marceline was crushing Finn between her legs, and her insides contracted around Finn's tongue, along with some liquid dribbling out and down his cheeks. Panting, she stopped toying with little Finn. "Okay... Now... That you know... The basics... We can move on... To what to do after... The foreplay," she gasped for air.
Sitting up on his chest, her own still heaving, she spun around to face the still-blindfolded-boy. Grinning at her own accomplishments, she slid down, pressing her belly to his and snaked about on top of him, removing the underwear from around his eyes. "Heh..." he laughed nervously.
She wiped the liquid she had left from the side of his mouth, all the while sliding her hand up and down his length, now well lubricated with her saliva. "Good, good henchman, I'm sure bubblegum or flame princess or whoever you choose to lay with from now on will be very pleased with what you have learned. The lesson, however, is not yet over," She kissed him passionately, her snake's tongue easily out manoeuvring his own inexperienced tongue, sliding around and past it. Still unable to move, Finn struggled under her-he may have been enjoying this so far, but he knew where it was going, and there was a certain someone that he had been saving 'that' for for a long time. Alas, it would do no good, the leather snakes combined with Marceline's inhuman strength made for an impossible escape. But Finn's struggling did seem to give Marceline some kind of sick pleasure, the sadist that she was. She snaked her way down, and grinned evilly at Finn upon the arrival of his 'little friend.' "Hm? What do we have here?" she said, sliding her clit along his shaft.
"Marceline, don't!" he protested.
"Oh? What's the matter Finn, I thought you were enjoying yourself," she teased. This had never really been about teaching Finn; Marceline had simply been feeling a little lecherous. She knew Finn would be an easy target, and imagine it, Marceline, the most rip vampire in the world! Why? Because she managed to steal the innocence of Ooo's most pure hero. Imagine the respect she would get in the nightosphere for something as evil as that! Maybe her dad would stop questioning just how evil she was. But wait... Oh? What was that? Did Marceline 'actually' have feelings for Finn? 'No! Of course not' she thought to herself, 'I- I'm just evil, this has nothing to do with Finn. He wouldn't want to anyway... Wait, what the hell am I thinking, of course he would, I'm the sexiest vampire babe around! Now let's get this over with' she thought, clawing into Finn's sides.
"Agh!" he grunted, small trails of blood now pooling beneath him from the small pricks in his stomach, sides, and wrists.
Marceline inhaled the stench of blood and sweat deeply-there was really nothing like it. Releasing one of Finn's love handles (ironically) and dragging her sharp claws down his hips, past the small bush of gold he had just above what she had been seeking. With the red marks on his stomach and the dream coming off his hot blood clouding her sight and smell, Marceline was about to go blood-lust crazy. If she didn't get some kind of relief soon, she would devour Finn's entire being.
With no time to waste, she took a tight grip of Finn's manhood, positioning it just outside the opening. Sliding her hope forward, the tip went in.
"W-wha-uuuuhhh..." Finn muttered. She moaned a little, grinning. She stayed that way for a few seconds, moving back and forth a little. Now that it was in, she sunk her claws into his chest, further than she had with any of the other little punctures, enough to have small amounts of blood spill onto her nails, and gripped him as hard as she could. Finn screamed a little, obviously stuck between pleasure and pain.
Marceline sat up on her haunches for one last look at the boy, and dropped down, completely slamming her hips onto his. Of course, she had forgotten just how big he was- at least for a fifteen year old. Now, it wasn't Marceline's first time-not by a long shot-but she hadn't really 'been with' a guy in about two centuries-other than that absolutely tiny bastard Ash-which was ample time for her body to slowly tighten up again.
It was an incredibly tight fit-with Finn's size (possibly a mutation in its own right) and Marceline's re-acquired virgin-like tightness-but that just made things all the better. Finn had gone much further into her than she had expected, to the point that it was almost painful. But after a thousand years, things like that don't matter so much anymore. She took her claws out of his chest, and retracted them, to focus on the utter euphoria, and slid them to his ass. Giving it a firm grasp, she bucked her hips and pulled it into her, he was all the way in now, possibly even somewhat in her womb. "AAH!" she screamed, grinding through the confusion of the pain and the unstoppable euphoria of having someone so very large (reference!) inside her. Finn's shoulders and elbows locked in place, holding his upper-torso up higher than before, almost on par with Marceline. That wasn't for long, though. Marceline leaned right back, in an almost crab-walk-like fashion. The combinations of her drastic movements, and his struggling made for an almost accidental perfection.
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Teaching Finn