He pressed the remote and immediately felt the room grow larger around him. His clothes shifted on him, getting looser. Even the remote seemed to grow larger in his hands. Then, the shrinking abruptly stopped.
Gwen gasped, and Shawn realized that he was just about eye to eye with her toddler head.
"What happened?" Shawn asked and was surprised to hear his sister's voice coming out of his own mouth.
Gwen pointed at him past her giant boobs and trunk dick. "Y-You turned into me!"
Shawn held up a hand and after a short examination realized that it did look like a little girl's hand. No wonder everything seemed so big now. He had shrunk! That's when he realized that something was missing. He turned from his freakish sister, now his freakish twin, and touched his crotch only to feel the smooth mound of his... or rather... her new female genitalia.
"Oh boy," Shawn said turning back to Gwen. "I think I just made things worse again."
"Try it again," Gwen said. "Really just think about me this time."
Shawn hesitantly lifted the remote again and tried to picture Gwen as she had been and then pressed the button again. This time...