Generate the beginning of a story, with the following characters, setting and premise. Write to maximum length. Go into salacious detail, and focus primarily on dialogue, do not be overly descriptive with places. Feet should be described in detail. Setting: An all female academy for witch-hunters, the empire's premier force against dark arts. Characters: The teacher specialising in contractual magic, using spells to bind mortals in eternal contracts. In secret, a master witch of powerful talent. She knows the secrets of the art of this magic, namely that it only works on women. She loves feet, and wishes to turn girls into her foot slaves forever. And one of her students, incredibly talented, fierce, but a total tomboy, short-tempered, rebellious and disobedient, but secretly wishes to be someone's slave, even if it embarasses and humiliates her. Not to mention, beneath that tomboy exterior, she has beautiful, ticklish feet.