[His stream of consciousness is interrupted by the intensity in Billy's voice. He falls silent, suddenly aware again that the person in his arms is his friend. Even while trying to explain this, he's causing him pain. Kaworu manages to sit up, his weight lifting from Billy's body and his grip around him relaxing.]

No, they... that's not it. I... I'm sorry.

[what was he talking about? Billy had asked why he left. Kaworu looks up at him through his overgrown bangs. He looks tense but the rambling mindset is gone.]

The epidemic. Around my impervious body, people were dying... People who I loved. Me, who was born just to undo their existence. But how could I just stand by, and...