[This is venturing into territory he is exceedingly uncomfortable with. Agito is not a social person, nor an emotional one. He has very little experience with this, and that makes him awkward. He hates that feeling.
But the mention of being lonely makes him laugh, bitterly] Lonely. You're just like Akito, you know that? Neither of you knows shit. [He closes his eye] I'm meant to be alone. I was never meant to live this long. Once Akito got over himself and could walk on his own, I would fade. That's the only reason I was meant to exist. To let him heal.
[No, he never wanted to die. But it would have been for Akito's benefit. His other relies on him too much] I don't know what being a friend means. Kindness is Akito's emotion, not mine. [God he doesn't understand people like Alle. Why are they trying to be friendly with him of all people? Akito was the social one]