Professor McGonagall’s Cat

The library was deserted! 

A blizzard furled the snow on the mottled windows that streamed silver moon light into the corridor. A book lay open on the soft carpet. Pouring over it was a skinny little girl with sharp eyes, black hair, tied up neatly in a tight bun and square spectacles. She checked her watch. It was 1 o'clock in the morning. She stretched herself to full height and screwed up her face as if trying to swallow a huge gulp of water. A loud crack rend the air as Minerva McGonagall managed to turn into a cat. Her spectacles, she was surprised to note, were embedded in her transfigured body. She bounced around and found the glass window reflecting her tiny self covered in fur, a tail that she wagged vigorously and square markings on her eyes just where her spectacles had been. Jubilant, she frolicked around the empty library when suddenly a deep, curt voice said, 

"Bravo! Minerva."

Minerva's little cat heart skipped a beat as she hurriedly transformed back to her human form. A crack and there she was, sprawled awkwardly on one of the benches, gasping for air.

"I'm sorry I give you such a fright dear, but a third year student turning into an animagus is a tremendous feat and I must say I am impressed."

The boy move forward. The streaming moonlight from the glass window brought his handsome features into focus. Dark long hair, six and a half feet tall and blue eyes. The kind of eyes that couldn't be deceived, for every time Minerva look into those eyes she felt she was being x-rayed.