[ While waiting for Yujin to come back, Susato has leaned in towards Kazuma, having (almost) made the decision to remove the necklace with the empty bottle. She doesn't really know why; she vaguely considers that having it break would be bad, and the less obstruction while they are examining Kazuma, the better, but when Yujin enters, she steps back rather quickly to get out of his way.

She's mesmerized by the wisps pouring out of his wounds, and not in a good way, but eventually she steadies herself long enough to say something. ]

I don't even know where to begin. I-- [ She pauses for a second, trying to sound less terrified. ] If we clean him up, it should prevent infection, and I think it'll be easier for you to identify which problem areas need your attention first.

[ There, that sounds intelligent, right? Like, that's probably something Rei would suggest, yeah? ]