This was the first time Su Er had learned about his biological parents' past from someone else.
"What are you thinking about?" A small hand poked Su Er. With a leaf in her mouth, Hermione's voice was muffled.
"Nothing, Hermione. Something just suddenly came to mind." Su Er shook the thoughts out of his head. "It's about time. Have you got everything ready?"
Hermione said nothing, merely shaking a small crystal vial filled with saliva and tiny bubbles. She had secretly filled it when she found an opportunity to visit the bathroom earlier.
Her other hand patted her shoulder bag, which held the Invisibility Cloak borrowed from Harry.
Although Harry had been puzzled about why Hermione needed the Invisibility Cloak, he had generously dug it out from the bottom of his trunk and lent it to her, only a little surprised that she actually wanted to wander around at night.
Ron, who was always with Harry, had just one comment on the matter: "The sun must have risen in the west today. Don't go crying if Filch catches you."
Of course, Su Er knew none of this.
"Shall we go, then?"
Hermione nodded vigorously and carefully put the crystal vial into her shoulder bag, along with a small vial of pure dew and a death's-head hawkmoth pupa, generously supplied by Professor Snape.
The Invisibility Cloak draped softly over them, hiding both of them completely.
Although thick banks of dark clouds hung over the Castle, moonlight still shone unobstructed onto the lawn.
"We're in luck." As they passed through the sixth-floor corridor of the Castle, Su Er glanced out of the window and whispered to Hermione beneath the Invisibility Cloak.
"Shh..." Hermione scratched a finger against Su Er's palm, signaling him not to speak. There seemed to be someone in the