"...we should be 21 years old," Jennifer suggested. "That way we are really adults and everything." Bobby smirked to himself, and Ashley nodded her head vigorously while Jimmy, her now very much littler nine-year-old brother, merely stood there with his mouth agape like a codfish.
"I wish that all three of us we're mentally and physically five years older." All three of them felt a rush of pleasure overcome their bodies as they began to grow taller. The girls each returned to their fully buxom state that they had been in before. Their shirts stretched even tighter to accomodate their expanding breasts, while their running shorts rose to just below their hips, with long shapely legs sticking out of each of them. Bobby felt his muscles become stronger and more defined, and he pulled up his shirt to see a strong 8-pack of abs from across his torso, while a fine coating of hair covered his entire body. The bulge in his shorts also grew in size, and strained against his now too small boxers.
Jimmy just watched in shock and awe as the three of them morphed into young adults before his very eyes. He was so shocked, he didn't realize as his sister's friend Ashley got a smirk on her face and leaned over to Bobby to whisper something in his ear. Bobby nodded his head, pointed at Jimmy and said "I wish Jimmy would physically age..."