C157 The Magic Notes
Lee Yuanhong was puzzled. He was certain he hadn't misheard, yet when he opened the door twice, no one was there. Could the kid next door be pulling a prank? That seemed unlikely; those little rascals couldn't possibly be that fast. He should have spotted them, and besides, there should have been the sound of their retreat after knocking. But he hadn't heard a thing.
Lost in thought