"It's the name he ought to have had at the time. I'll use it if I wish." But he catches Tachibana's blink, Tachibana's hesitation, and realizes just what the man is realizing. Now he finds it within himself to smile a little.

"I could guess. There were clues that something wasn't right. Chalice, wearing Human Undead's face? Very suspicious. Maybe he was just very uncreative?" He shrugs, he takes another drink of his coffee, lingers a moment to savor it. "...I suppose he wasn't."