Yeah, I've been around long enough to know how things work here...

[Keiichi looks around for a moment. There was a time in which four people lived here as far as he knows... Now it's just two. It's a bit depressing and it brings back memories of when he realized that his apartment had gone from having two people to just him again.

He shakes his head and focuses in the issue at hand when Shiki talks again.]

Let's see... You know about the Hinamizawa Syndrome, right? Having lived with Haruki and Rena, I suppose he at least told you that much.