Back to class with a quick stop first

Amanda leaves the dining hall and heads to the bathroom for a quick pit-stop before heading back to class but as usual, the nearest girl's bathrooms have a long queue. Sighing she joins the line but as she stands there not so patiently waiting her turn a mischevious idea occurs to her. She could test her supposed powers and help herself at the same time.

"Oh boy" she sighs loud enough for the girl ahead of her to hear "I sure wish we didn't have to wait in line just to pee."

"Yeah," the girl agrees "sometimes I wish I was a boy, they never seem to have this problem..."

That isn't quite what she had been hoping for. The girl should have just wished for the line to be shorter but still, this should be interesting.

The girl yelps as the magic hits her like an electric shock then stumbles as her body begins to grow. She shoots up from a little below average 5'2" to a towering 6'1".

"Eee! What's happening to me?" she squeals as her voice drops to a much deeper register.

Her shoulder-length hair retreats into her scalp and her face shifts, her features hardening and a light stubble forming on her chin. The rest of her body follows suit, bulky muscles replacing girlish curves. Clothes strain and give way under the weight of her increasing mass. Her blouse bursts open revealing a broad flat chest and a now empty bra.

She clutches at herself under her skirt and Amanda winces at the pained expression on her (or should that be his?) face. Obviously, the former girl's new junk is not a comfortable fit for the panties he is wearing.

Amanda feels a thrill of excitement at the transformation she has caused mixed with just a small pang of guilt. She should probably try and change the new boy back... and allow the cheerleaders to wear clothes again and correct any other negative wishes she has granted today. Plenty of time for that later though right now she has a more pressing matter to attend to. As luck would have it there is no longer a queue for the bathroom. Unnoticed by the crowd she slips inside...