The blade fits his fingers naturally. That scares him.
"You're kidding, right?" he laughs.
Now Naoto looks like he's trying not to squirm. "I'm serious, I assure you—these were your primary means of offense."
"But these aren't even knives. They're—" He won't say it. Too weird. "—like something off a TV show. You had me using these? Sort of doesn't go with the image."
Naoto stares at him blankly.
"I mean, you're this fancy detective, and these are..." He trails off.
Naoto shakes his head. "You've misunderstood," he says. "You used these before I ever met you."
Oh.
What?