[Ishimaru's expression tightens at that; something about it isn't settling right with him, though he isn't entirely sure what.

He straightens up after a moment, though. Takes a deep breath. His tone is still blunted when he speaks, but at least the volume has died down some.]

You aren't the only person who's done "what they had to do," you know! But that -

[He cuts himself off; takes another breath, tries to calm himself. It won't do to get worked up now.]

That doesn't mean you aren't still responsible for what you did.