Although he still didn't care whether this topic was too intrusive or not, Zero was at least aware that his opinion had bothered the boy in some way. Nigredo didn't need to say anything out loud to show that he was bothered; his expression was proof enough. Somewhat subtle proof, but still proof nonetheless.

However... Whether he was aware of this reaction or not, it wouldn't change the once-Reploid's opinion at all. He didn't blame Nigredo for being what he was...it wasn't like he had a choice in a matter. No, the blame rested solely on his human creators; they were the ones Zero couldn't forgive. There was no reason he could think of that could ever justify creating a weapon in the form of something so innocent. No reason whatsoever.

"I can't understand that." ...Well. Actually, no. That wasn't completely true. He could partially understand it. It wasn't that hard to believe that certain humans could be so careless and cold toward their own kind... Monsters could be born in any form. But as far as this conversation was concerned, Zero refused to understand the concept. "...No. It's your creators I don't understand. I know you had nothing to do with it... But I don't understand the reasoning at all."