Mayumi returns to the Gryffindor common room with a happily purring cat in her arms, and immediately looks around for the Weasley twins.
"Looking-"
"-For us?
Mayumi startles a little at their sudden appearance, but otherwise did not react. She looks at them with a pleasant smile, and clasped her hands together.
"Now, boys, I have something incredibly important to discuss with you—" she blinks mischievously, glamcing at the multitude of magician trinkets on her bag, "what do you know about Muggle technology?"