[Nagisa still hates the first motive. And now it reminds him of his 'price' for agreeing to this whole disaster - there's anger like sharp fangs and sneaking scales.]

If it helps at all, this was the second time she's died. [He'd still love another shot at her throat.]

...She tricked me, too. The girl she offered me - she's not dead. I only thought she was. But at least Commander-san was smarter than the people who brought us all here in the first place.

[He's getting worked up again....he has to control himself. The doctors here are incompetent, but it doesn't seem like they're actually responsible for this mess. He shouldn't kill them.]