Kumi lightly tapped the wooden bed frame with her fist. “Don’t you think it sounds like a signal?” “That’s not a signal.” “Then what is it?” “He’s knocking on a door,” Tengo said, his voice dry. “The front door of a house.” “I guess that makes sense. It does sound like someone knocking on a door.” She narrowed her eyes to slits. “So are you saying that even after he lost consciousness he was still making his rounds to collect fees?” “Probably,” Tengo said. “Somewhere inside his head.”
