[Truth be told, Yukimura hadn't thought about it all that much himself. But when he took a moment to consider what he was saying, Saitou was right... he'd only started calling him that after he'd found him injured. That wasn't all that there was to it either, was there?

Then he remembers that Saitou had called him "Yukimura," too... even if it had only been just the once.]

... I believe so. It- I did not even think consciously about the change, admittedly. But- you too changed how you addressed me. Even if it was only once.