Mayumi clued on her lower lip as she wandered through the corridors, muttering under her breath.
"If my memory was right..." She glanced down towards the Marauders' Map, "Right here."
She stopped near a large blank wall, and slipped the cloak off. "Now, let's see which unlucky person stole the diary..."
Mayumi walks a little further down the hall, peering around. But then a sharp pain exploded on the back of her head, and she fainted dead away.