Tommy's breathing was frantic, the sounds of his gasps and moans echoing off the walls. He glanced at the clock and saw it was almost four. He had to cum again, he had to cum one more time. It felt too good. Why on earth would his sister have gone out if she could have stayed in and been doing this all along?
Tommy had caught his sister sneaking out even though she was grounded for turning a girl at school into a dog. His parents weren't home and he tried to stop her, threatening to tattle on her. A menacing glare and a flash from her eyes and Tommy suddenly found himself transformed into a busty woman in a corset.
His sister said that since all he was going to do when she was gone was look at pornstars, he might want a closer look. She laughed and promised to turn him back when she got home, so long as he promised not to tattle. Tommy protested, wobbling on his feet in his new curvy body, saying she couldn't do this to him.
His sister smiled again, and admitted just looking at pornstars wasn't all Tommy would have been doing. With a glimmer in her eye and a wave of her hand, one of Tommy's video game controllers on the floor morphed into a large dildo. Then, cackling with glee, she'd left.
She was right of course, about what Tommy would have been doing left alone at home. And his curiousity got the better of him, and he couldn't resist exploring his new body, putting the dildo to good use.
His worry was, aside from reaching his eighth orgasm, that his parents were due home at 4 and his sister wasn't home yet. How on earth was he going to explain to them what happened to him without implicating his sister, and pointing out that she'd gone out? And if he did tell them, even under such circumstances, would his sister keep true to her word and leave him this way?
He hated having a witch for a sister.
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Original author: Joeberan Sent to my by Cbrorigins.
Repost of a caption already on this site to add the missing image.