Hermione and Ginny... Who? (Severus Snape's Daughters)

It was just an ordinary day at Hogwarts, or as ordinary as it gets there, for Hermione Granger and Ginny Weasley. Until, their greasy potions professor asks to speak with them after class. What will he tell them? What secrets will be revealed? And most importantly, will they be able to handle all of this new found information?