Elliot woke up Christmas morning with a stretch. He walked through his little apartment from his room to the living room and saw the little bag sitting on his dining room table. The big man up north came through again. He excitedly approached it and tore through the tissue paper. At the bottom of the package was a small pair of blue striped briefs.
He went to back to his room, peeling off his own underwear as he did so. He grabbed his reading glasses off his bedside table and prepared to watch his goodness this year get rewarded. This pair would be difficult to fit into, he thought, as he stepped into the briefs. His worried were unfounded, as his larger frame seemed to suck in just as he sucked in and his curves flattened to fit into them. Immediately as it cupped his groin, he jumped in shock as he felt his member inflate and elongate. His ass inflated and lifted and he reached around and massaged his new muscle. His newly flattened torso and chest also rose in new muscle. Elliot grunted as he body inflated, his younger voice startling him. He felt pain in his face as he watched his jaw sharpen and his hair thicken and darken.