Kelly Cooper's eyes widen as he spots the lanky, smooth Grant Hiller emerging from the changing room, clad only in a tight, white jockstrap that leaves little to the imagination. Kelly's breath hitches as he watches Grant's large, semi-hard cock struggle to fit into the snug fabric. Grant's skinny frame wriggles, accentuating his tight ass and long legs, as he tries to adjust the underwear to accommodate his growing bulge.