Shinichi sees the expression that's more him than Conan in the other's eyes, and is pleased. He's only contemplating this now - earlier it would've been fun just to head randomly into the kitchen and take out an undisguised blood pack - because his counterpart is not afraid, and while he seems bothered, doesn't look like he'd think much differently. In fact, he seems to be taking this seriuosly... unlike the time when he'd jumped down from the balcony.

"I'm a vampire," he said bluntly, backed up one single pace, and crossed his arms to watch the fallout.