Sarah had it. She's more popular then he ever was, and wasn't going to take it any more. Holding the stone tightly she said, "Ryan, you know what? I wish that you had to wear provacative lothing tpo show off your breasts, just so that you would get noticed by boys, and that you had to wear short skirts and flash a little ass every now and then to get what you wanted."
Ryan smirked at his stupid little sister for a moment, thinking how girls are really dumb sometimes, and then he felt his skin start to crawl. He looked down at his chest as it started to grow, and his hands tried to keep it back, but to no avail. His manly chest turned to that of a buxom 16 year old girls. And before he knew it he felt his waist and hips start to twist under him. His hands shot to his ass as it filled up to girlish proportions, and as his hips grew wider and his waist shrank. He looked back at his sister, his eyes wide with fear.
"What the Hell... ?" was all he could muster. His little sister smiled as he absentmindedly grabbed at his new chest.
"Well big brother... Looks like someone finally blossomed." She said with a giant smile. "And now that you have big breasts... I guess its not that long till the rest of you gets attractive...." Her smile grew bigger as Ryans fear built higher. "Because... I wish..."