Aye, but I'm not sure when the way opened. It must've at some point to let the zombies in, but if they came in another way...then he couldn't have, could he?

[Which means it was on Jamie, and he hadn't been there when it happened. Given what happened to Ichijou as well...well, the expression on his face speaks volumes about his feelings.]

I should've tried harder to get to where he was when everything started.