Somewhere in Jim's mind he felt a bit sorry for the poor girl he had just transformed. Briefly, he considered stopping. But, the sight of her mature semi-nude form was too much to walk away from. He was the most aroused he'd ever been. After weighing his options for a moment, Jim decided to push the girl's body even further toward erotic extremes.
"Release," Jim said and then let the balloon quickly deflate. He quickly scanned the store. So far, he'd been lucky and no one had noticed the dazed and horny girl yet. That might not be true after this next change, he thought.
"Control the girl's breast size," he said. Frantically, he started blowing deep breaths into the balloon.
With one hand on her wet crotch and another on her breast, the now 18-year-old girl felt a sudden tingle as her already giant chest started to expand once more. She grabbed hold of her other breast and held both in her hands as they surged larger and larger beneath her fingers. With each surge, waves of ecstasy shot through her like electricity. She dropped to her knees as the pleasure (and the weight) became almost too much to bear.
Soon, her breasts had grown to the size of basketballs. The white tank top she wore felt ready to snap as it clung to them. She groaned in pure delight as her fingers gently caressed her large nipples, which protruded like big toes from the mounds on her chest. If she had been worried about her changes before, then all of those thoughts had been abolished from her mind to be replaced by total sexual intoxication.
Jim stopped blowing to admire his handiwork. The previously plain-looking redheaded girl had now transformed, right before his eyes, into a sex-crazed woman with porn-star tits. It was beautiful! The power he felt was overwhelming. He could do anything, it seemed. Any fantasy was possible now. For a horny 12-year-old like him, that meant bad things for any girl in sight.
As Jim stared at her, he pondered a moment about what he would do next.