Role Exchanger: Not Too Dark, please...

Jon finished his meal as fast as he could, ran up to his room and grabbed the stone. "I wish..." Karyn held his mouth. "Restore Zoe to the state she was in BEFORE you wished for the role exchanger." Jon nodded. "I wish Zoe was restored to the state she was in before I wished for the role exchanger." They were forced to look away. Jon went to the living room to look, and nearly cried with relief seeing his sister normal again. "What are you looking at?" - She said. "N-nothing." He turned to Karyn. "That was close... I have got to be careful with this thing..."