Until proven otherwise, I'll assume he has a pill for her. Would leave a bit of bad feeling if an actually upright (okay, naive but still) person were to just get killed like this.
Why is the MC just standing like a fucking bitch-ass coward? Just fucking kill them all you idiot. You've known since long ago that the only talking any of them ever does is with fists. So why act like all of a sudden they wouldn't do that?