These girls were from one of the older grades at the school, I could tell. Tall and slender, they both wore the mandatory strip of a private school: g...een/brown tartan skirt, flat black shoes with green hose just over their knees and a white blouse with the 'St. B' emblem embroidered across their left breast. Not the wide-hipped shape of pony-riders, they looked and walked more like dancers, toes out, arms floating lightly.As was typical in such a school, they'd both altered their skirts to. The feeling lasted for only a moment though, and then it began to change. He felt a warmth and a wetness gradually replace them. Then, there was a feeling of - well, of emptiness. He let out a low moan, realizing that he was now a woman.Now Jim's clothes began to change. Her blue cotton shirt changed to a sheer white chiffon that was almost transparent. Beneath it, her T-shirt became a violet bustier that lifted and separated her breast making them seem even bigger. At the same time, her slacks. Oh fuck...oh fuck... and I knew he was shooting his cum deep inside... yum! He slowed down and savoured my hole until he started to go soft and his cock plopped out... it was quickly replaced by his friends hard-on and this guy just went to town in pounding me... he was much longer and there was some pain deep in me, but I was a trouper as he used my stretched cunt as he pounded away with passion... by this time others started to come in the door and we're just watching my show... he lasted. Then he knelt over her, supporting himself with his hands on her tits, lined his cock up with her cunt and rammed it home. She squealed with pain and outrage, but all she accomplished by that was to make his cock harder. He started to pump. He slammed into her and pulled nearly all the way out before slamming in again.He fucked her furiously, on and on, crushing her tits as he did so. She screamed and begged but his cock continued to plumb the depths of this proud and arrogant bitch's.