Transforming while horny
Georgia couldn't help but feel her groin ache with longing, a damp patch forming in her pants as she tapped at her phone. Séamus is ten feet tall and more muscular than any other human.
She watched as his shadow grew massive, the ceiling growing taller to compensate for the hulking monstrosity she had just created. Pictures on the walls, those of her family, now showed her and her parents beside a gigantic, muscle-bound beast, his lats and biceps casting shadows over his face by their sheer size. She felt herself grow warmer.
Séamus' cock grows larger every time he feels lust, and will not shrink down to its flaccid 12-inch length until he has cum. She heard an erotic groan come from the kitchen. Georgia bit her lip, then clicked 'subject awareness' for her final change.
Séamus will start to realise he is head over heels in love with me, and could not imagine being attracted to anyone else.
~♥◊♥❣♥◊♥~
In the kitchen, Séamus had just put the chicken broth on to boil as he felt a stir in his loins. He frowned. That only happened when he was feeling aroused, but there shouldn't be any reason. He'd only seen his sister, after all...
He groaned as his dick gave another twitch and lurched forwards. Was that what was causing this? Georgia? He'd never been attracted to her before, seeing her in the protective way that all big brothers do. But now, as he called her face to mind, he couldn't help but wonder, why hadn't he been attracted to her before. She was gorgeous. His cock surged forward with growth, popping the buttons on his suit loose as it bulged obscenely in his boxers.
Quickly, he ripped them off, stumbling through the door as his muscles quivered, mind now filled with images of his sexy younger sister. How her hips swayed and shook her delectable butt as she walked, how pert her small breasts were, how her tiny frame would feel under his huge, muscular body. He raced to the lounge room and stood over her, ripping his clothes to shreds as he stared hungrily into her eyes.
Georgia gazed back at Séamus in lust. His hulking, ten foot frame was imposing, muscles bulging as he strained to keep himself from forcefully taking her right then and there. A small movement of her finger, beckoning him closer, was all it took for him to jump her, straddling her waist as his now two-foot cock slithered into her mouth. She moaned around its awesome thickness, making him groan at the erotic sound and pulsing his cock even larger.
She felt his body rock back and forth as he began to face fuck her, gently at first, growing faster and stronger as his desire overtook him. She could barely feel her throat for all the cock being shoved down it, inch after inch, and she wasn't even close to his balls. Séamus groaned as Georgia's tongue swirled around his rod, the pressure mounting until finally he unloaded with a scream, and filled his sister to the brim with his thick, white seed.
Georgia moaned as she climaxed, before wiping the last strands of cum from her lips. She watched as Séamus' penis slowly deflated to a flaccid foot. "Thanks for cooking me dinner, big bro."
What do you do now?
- No options available - Create your own addition below!