Forbidden Dark Magic

Neville, who had been sleeping with his head down, suddenly jerked upright before drowsily collapsing back onto the bed.

James and Alfred opened their eyes, glanced vaguely at the ceiling, then closed them again.

Perhaps the volume had been so loud that it startled them all into continuing their hazy sleep.

Ron, only a wall away, reacted the same way after being awakened.

So did Seamus and Dean, who shared the dormitory with him.

Perhaps Gryffindor's Little Lions were simply exhausted. Even after four or five consecutive cries, they remained sound asleep.

"Gu—" Gu Gu's seventh cry never came out.

Seeing that it had done its best, Vincent reached out and pulled up the rope.

Snape, who was responsible for both lighting and surveillance, had already reached the limit of his patience.

"Have you gotten so fat you can't even cry out?"

"Gu Gu—"

That feeble reply reminded Vincent of his roommates' condition just now.

When he sneaked out at night, he might not have been overly cautious, but he certainly never dared make much noise.

Tonight was strange. Very strange.

Without giving it much thought, Snape narrowed his eyes and swept his gaze toward Gryffindor Tower.

Though it had flashed by in an instant, he still caught sight of a dark shadow.

"Wayne, I saw—"

"Don't eat sour radishes!" Vincent controlled Rascal Rabbit as it quickly burrowed into the dormitory.

He jumped down and lightly patted Neville's large cheek. "Wake up, Snape is here."

"Mm—" Neville opened his eyes and looked at the two people dressed like bats.

He drowsily shut his eyes again, still muttering something under his breath.

Snape leaned closer to listen, and his expression immediately darkened.

Why couldn't a Potions Class professor—and Slytherin's Head of House, no less—enter Gryffindor's dormitory?

Because of the Fat Lady,