A moan sounded from behind him and Ed turned, eyes widening at the sight of Erik. So caught up had he been in his own transformation he hadn't even realized that Erik was changing as well.
The baseball player's head was tilted back, one hand running over his chest while the other reached under his towel, the garment sliding off and leaving him in his naked glory. It gave Ed a clear view of the sandy brown hair which was spreading quickly across the teen's body, growing from a few distinct patches on his pectorals, abs, and groin, to a coating even thicker than Ed's. It covered almost his entire torso, connecting the thick bushes of armpit hair all the way to the wild forest of pubes. The hair on his arms and legs followed suite, even his hands and legs developing a fair amount. The most dramatic change was his face, his chest hair connecting to his stubble which filled out into a full sandy beard.
However, it seemed that body hair was only the first step. Although Erik was already fit it was like someone injected him with liquid muscle; where once he was toned he became outright big, pecs swelling outward as his abs turned into a rock-hard eight-pack. His arms swelled until they were pushed out from his body, his legs thickening like tree trunks. Even his face altered, jaw squaring off beneath the beard and features becoming solid and adult.
One large, meaty hand wrapped around his cock, which Ed's eyes locked on as it began to harden. But it was growing even then, swelling from a modest 7 in. to what was at least a hefty ten. Ed could only stare, transfixed, as Erik began to jerk off, baritone moans filling the room as he stroked faster and faster until he suddenly let loose, shooting all over Ed's stunned face.
Grinning Erik took a step towards Ed, his height at over six and a half feet, looming over the boy. The smirk he gave was devious and Ed gulped as Erik opened his mouth...