Flowers in the Entryway

For days after Penelope Granger awoke each morning to the fright that the entire event had been a dream. But Hermione would always bound across the hall from her bedroom each time she rose to whisper quietly into her sister's bead-head, "I can't believe you're a witch Penelope. Do you think I could be one too?" Based on OC Hermione's elder sister. Begins in Ootp.