She pushes him over the edge, then expects him to return the favour

Jenny's tongue wiggled inside Marcus, licking in and out of his throbbing insides. Pressing his blushing face against the bed and biting hard on a mouthful of blanket, the young prince felt his belly flutter with naughty, dangerous feelings. His legs were twitching, a warm pool of pleasure swelling up in his belly and pressing almost painfully against his skin. He was flushed so hot it felt like his cheeks were about to burst into flame. Part of him just wanted to wriggle away and kick Jenny off him, to scream at her to stop, but he could hardly even move anymore. The warm feelings inside him felt so very good, no matter that it was coming from his own sister tenderly licking his butt.

"Jenny, oh...please!" He squealed shrilly as the waves of pleasure crested to a searing peak. His hips bucked, and he felt his dick throb and burn like he'd just spurted cum again. Only nothing came out, just an aching warmth that spread through his whole body like pooling liquid. It left him twitching and gasping on the sheets, rubbing his throbbing dick against the sheets. His mind was all fuzzy and he could hardly think through the haze of aching pleasure.

"There we are..." Jenny was leaning over him, her hand running gently up and down his bare thighs as he trembled against the sheets like a frightened mouse. "That felt good, didn't it? Just like I said it would." She lent in and planted a few gentle kisses on the pale flesh of his butt, her lips brushing tenderly over the quivering skin. "Damn, you're so beautiful." She panted, her heated voice sending shivers down his spine. "And so naughty too. Everything I want to do to you, you like it too. I've got so many other nasty things I've been dreaming of trying with you, and you'll do all for them for me, won't you? We're just perfect for each other. I've always known that." Marcus just lay there, his mouth hanging open. Every time he tried to speak or move, another warm shiver ran down his spine, leaving him limp and helpless. It was like whatever she'd done to his still throbbing butt had left him totally drained of strength.

She got off him at last, and Marcus let out a sigh of relief. Then he felt her hands grab him by the waist and flip him over onto his back. Before he could even squeak, she launched herself onto the bed on top of him and straddled his chest, her muscled thighs spread wide. There was a hungry glint in her eyes as she pulled down her trousers and underwear, revealing her pussy. It looked really swollen and wet, the flesh glistening with her juices. She shuffled forward on her knees as Marcus stared up at her in shock.

"Jenny wait!" He managed to gasp, wriggling a little underneath her. Trying to lift her off felt impossible with his weak, trembling arms, but maybe he could hold her back a little, long enough to tell her how he felt.

"Stop squirming, runt." She murmured like she hadn't even heard him. "I've done you, now it's your turn to please me, okay? All those meetings with my advisors, trying to rebuild this country, I could hardly think about anything but your sweet tongue on my cunt and buried in my asshole. You are not going to be a selfish lover, okay! I won't let you!" Just like that she shuffled forward and straddled his face, her glistening pussy right over his lips. Marcus opened his mouth to speak again, but she just lowered herself down, squashing his head into the bed underneath her. He could feel her pussy on his mouth, the sharp smell of her arousal tingling in his nostrils. She was bucking her hips, rubbing her boiling skin all over his nose and chin, leaving him dripping with her juices. "Fuck...use your tongue, little brother!" She screamed above him. "Eat me out, show me how much you love me!"

Squashed underneath her bucking hips, Marcus didn't have much of a choice. He poked out his tongue and started frantically licking all over her muscled thighs, desperately hoping she'd be satisfied and get off him before he suffocated. She was bouncing up and down, grinding her pussy against his mouth. His tongue rubbed all over her skin, and he felt her muscled legs shudder either side of his face. Above him, she yipped and squealed, her voice trembling with gasping pleasure. She sounded so ****, so frantic. Trying to get this over with, the young prince craned his neck up and pressed his tongue against her pussy. Her skin was so hot it almost burned him, the taste of her filling his mouth. He felt her tremble once, and then her muscles clenched around him and he knew she was coming at last.

A shrill, warbling shriek filled the room, high-pitched and piercing. Even buried underneath her, Marcus felt himself blush furiously at how loud she was. Everyone in the castle must have heard that, and after that maid had already seen them together they'd all know what it meant. He wasn't going to be able to look any of the staff in the eye ever again at this rate!

At last, she fell silent, slumping forward and panting like she'd just run a marathon. Still trapped between her legs, Marcus lay back against the bed, his tired tongue hanging out between his lips. Most of his face was wet and sticky, all he could smell and taste was her pussy. She'd probably wanted that, her way of marking him. The thought made him flush even hotter, his blush spreading all the way down his neck. Was it over now at least? Was she done with him?